40results about How to "Avoid blind operation" patented technology

The invention discloses an electric vehicle safety starting method and a system. According to the conscious operation of an electric vehicle ignition key and the identification of an obvious optical signal hint by a driver, the safety staring process of the electric vehicle can be achieved. The safety starting system of the electric vehicle is correspondingly provided. The system comprises a CAN bus combination instrument, an integrated power supply, a battery management system, a high-voltage main positive contactor, an accelerator pedal, a motor controller, a state detector switch for a high-voltage device hatch, a whole vehicle control unit, a state detector switch for a charging hatch, an ignition key switch, a self-detecting indicator light and a READY indicator light. By adding operation logic of an ignition key START gear onto the starting process, and adopting a two-grade signal device which comprises the self-detecting indicator light and the READY indicator light, the driver can conveniently observe the starting state of the electric vehicle. Accordingly, the dangerous caused by unconscious vehicle staring of the driver can be avoided, and the starting safety of the electric vehicle can be improved.

The invention provides a terminal activating method for a user to active a terminal in a dark environment and the terminal. The method comprises the following steps that when the terminal is in a sleeping state, that whether a screen trigger signal which meets a preset condition is received or not is detected; if the signal is received, light-emitting module which are arranged around a sleep waking key are lighted on; a waking signal which is sent by the user through the sleep waking key is received; and the terminal is activated according to the waking signal. Through the implementation of the invention, when the user needs to activate the terminal in the dark environment, the light-emitting modules can be lighted on through the sliding operation or long pressing point operation which meet a certain conditions on a screen, the terminal is activated easily through the sleep waking key under the guidance of the light-emitting modules, so that blind operation is prevented, and the use experience of the user is improved.

The invention discloses a flat pen automatic assembly line which comprises a workbench, two driving chain wheels and a ring-shaped driving chain connecting the two driving chain wheels, wherein the two driving chain wheels are respectively installed at two ends of the workbench, the driving chain is sequentially provided with a plurality of clamps for inserting pen holders of flat pens, a transmission rail for supporting the driving chain is arranged between the two driving chain wheels and is fixed on the workbench, the workbench is sequentially provided with a pen cap assembling station and a pen cap pressing station and an automatic pen cap pressing machine is arranged at the pen cap pressing station. The flat pen automatic assembly line has the advantages that the pen cap assembling process and the pen cap pressing process are implemented on one workbench and are linked through the driving chain, and therefore the assembling time is saved, the assembling efficiency is improved; in addition, an automatic operation is applied to the pen cap pressing process step, the labor intensity is reduced further and the assembling efficiency is improved.

The invention discloses an automatic assembling line for a water pen. The automatic assembling line comprises a working platform, two transmission chain wheels and a transmission chain for connecting two transmission chain wheels, wherein the two transmission chain wheels are respectively arranged at two ends of the working platform; the transmission chain is sequentially provided with a plurality of clamps for plug-in mounting of penholders of the water pen; a transmission track for supporting the transmission chain is arranged between the two chain wheels; the transmission track is fixed on the working platform; the working platform is provided with a water storage device mounting station and a water storage device pressing station in sequence; the water storage device mounting station is provided with water storage device automatic mounting equipment; and the water storage device pressing station is provided with water storage device automatic compacting equipment. The automatic assembling line for the water pen has the advantages that the water storage device mounting process and the water storage device pressing process are finished on a same working platform and are connected by the transmission chain, so that the assembly time is saved, and the assembly efficiency is improved; and in addition, the automatic operation is adopted, so that the labor intensity is further reduced, and the assembly efficiency is improved.

The embodiment of the invention provides a sound volume adjustment method. The method comprises the steps that operating information of a user on a terminal screen is obtained; the sound volume of a terminal is adjusted according to the operating information of the user on the terminal screen. According to the sound volume adjustment method, due to the fact that the sound volume can be directly adjusted, and sound volume adjustment is achieved by means of operation on the screen, the handheld state of the terminal does not need to be changed, the problem that sound volume adjustment is complicated in step is avoided, the operating cost is reduced, the operating efficiency is improved, and due to the fact that blind operation can be achieved, the problem brought by inconvenient operation in a specific environment is avoided.

The invention discloses a photodynamic therapy system with a visualization and light spot boundary display function. According to the system, an optical synchronization module and an optical multiplexing module are additionally adopted; the optical synchronization module performs synchronous chopper modulation on therapy laser through using the exposure and readout time sequence signals of an electronic CCD or CMOS optical system so as to make output pulse therapy laser keep synchronous with an exposure stage and a readout stage, so that the visualization of a tissue image can be realized; an optical coupler in the optical multiplexing module is adopted to couple indication light and the pulse therapy laser; the coupled light and pulse therapy laser are outputted to an tissue through an optical fiber; and since the light emission regions of the coupled pulse therapy laser and indication light are identical, and therefore, the boundary of the therapy light spot can be displayed in real time though identifying the boundary of the indication light spot, and a doctor can intuitively see the position relation of the therapy light spot and the tissue where a lesion exists, and blind manipulation of the doctor by means of experience can be avoided, and the accuracy and safety of therapy can be improved.

The invention discloses an optimization method for an air compressor system of an iron and steel plant. The optimization method comprises the following steps of: building compressed air pressure and flow demand models of each user; reading real-time data of compressed air of each user, optimizing the compressed air pressure and flow demand models of each user according to the real-time data of thecompressed air of each user, and giving a pressure set value of a compressed air pipe network; setting the running state of an air compressor of each air compressor station of the air compressor system according to the pressure set value of the compressed air pipe network; judging whether the air compressor system is in an optimal state or not, and maintaining the air compressor system to run inthe optimal state if the air compressor system is in the optimal state; otherwise, re-giving a pressure set value of the compressed air pipe network until the air compressor system is judged to be inthe optimal state, and maintaining the air compressor system to run in the optimal state. The optimization method disclosed by the invention adopts cluster optimization, can realize scientific start,stop, loading and unloading operations of the air compressor, realizes precise control on the pressure of the compressed air pipe network, reduces the pressure level of the compressed air pipe networkand reduces energy loss.

The invention discloses a touch sensitive film, comprising a touch panel and an electric conducting circuit layer, wherein the touch panel is provided with a touch face and a back face of the touch face; the touch panel is a film sheet; a pattern symbol layer is printed on the back face of the touch face; and the electric conducting circuit layer is a layer of capacitance sensitive touch key circuit and circuit outgoing lines thereof, which is printed outside the pattern symbol layer. By adopting the structure, the touch sensitive film is simple in structure, short in sensitive distance and high in sensitivity of key touch sense. A plastic layer is coated outside the electric conducting circuit layer, thus forming an integrated enclosed structure, thus realizing water resistance, moisture resistance, anti-pollution and other effects, thereby avoiding influences on the touch sensitive film due to changes of external environments so as to further improve touch life of keys.

The invention is applicable to the technical field of photodynamic therapy, and provides a photodynamic therapy system with a tissue image and light spot boundary visualization function. On the one hand, an electronic CCD (Charge-coupled Device) or CMOS optical system in an electronic endoscope blocks reflected or scattered therapeutic laser while receiving illumination light, thereby being capable of realizing tissue image visualization; and on the other hand, the therapeutic laser and indication light are coupled through a coupler and outputted to a diseased tissue of the human body together by an output optical fiber via the electronic endoscope, and the indication light and the therapeutic laser are the same in light emitting region, so that the position of a therapeutic light spot can be determined through an indication light spot formed by reflected or scattered indication light, thus the boundary of the therapeutic light spot is displayed in real time through recognizing the boundary of the indication light spot, and a tissue image with the boundary of the therapeutic light spot is provided for a doctor. The photodynamic therapy system provided by the invention realizes authentic and visual images in the photodynamic therapy process and enables the doctor to accurately see a positional relation between the therapeutic light spot and the diseased tissue.

The invention is suitable for the light power treatment technology field and provides a light power treatment system having a visualization function. Exposure and readout sequence signals outputted by an electronic CCD or a CMOS optical system are loaded through a triggering port to a chopper of a light synchronization module, so the chopper is controlled for realizing disconnection or instant conduction with a light path at an exposure stage of the electronic CCD or the CMOS optical system, continuous conduction with the light path is realized at a readout stage, and synchronization pulse treatment laser is further generated; if no reflected or scattered treatment laser is received by the electronic CCD or the CMOS optical system because of disconnection with the light path at the exposure stage, organization image visualization in a light power treatment process can be realized; if the reflected or scattered treatment laser is received at the exposure stage, not only can organization images be provided to doctors in real time, but also a treatment spot boundary can be further displayed in the organization images in real time, and thereby vivid image visualization in the light power treatment process is realized.

The invention provides a method for fertilizing according to a soil condition. The method comprises the following steps: (1) sampling greenhouse plant planting soil; (2) testing nutrient information in the soil; (3) determining fertilization information according to the nutrient information of the soil and plant types, wherein the fertilization information comprises fertilization components and fertilization amount; (4) preparing a fertilizer according to the determined fertilization information; (5) applying the fertilizer directly into the soil; (6) watering the soil thoroughly; and (7) repeating the above steps (1)-(6) in each growth period of a plant, and fertilizing under different soil conditions in different growth periods, wherein the growth periods comprise a germination stage, aflowering stage, a young fruit stage, a vigorous growth stage and a maturation stage. According to the method provided by the invention, targeted fertilization can be carried out according to the nutrient information in the soil, which is beneficial to plant growth. The method provided by the invention can be conveniently applied to the field of greenhouse planting.

The invention discloses a remote infrared control method and a remote infrared control device. The provided remote infrared control method comprises the following steps of sending an infrared control instruction to target equipment; acquiring the response sound feature of pre-stored response sound, wherein the response sound is made after the target equipment executes the infrared control instruction successfully; acquiring sound data, and determining the execution result of the infrared control instruction executed by the target equipment according to the sound data and the response sound feature. The provided remote infrared control method can acquire feedback information that whether the infrared control instruction is successfully executed by the target electric appliance equipment, the blind operation in the remote infrared control is avoided, and the user experience is improved.

The invention relates to a preparation method of a gel-type CO2 indicator. The preparation method comprises the following steps: preparing a 10% to 90% ethanol solution; dissolving 0.07g to 0.12g of methyl red into 100ml of ethanol solution to obtain a methyl red ethanol solution; dissolving 0.08g to 0.15g of bromothymol blue into 100ml of ethanol solution to obtain a bromothymol blue ethanol solution; mixing 10ml to 55ml of methyl red ethanol solution with 15ml to 50ml of bromothymol blue ethanol solution, and diluting the mixture for 10 times to obtain an indicator solution; and adding glycerinum into 100ml of prepared indicator solution, heating the mixed solution in a water bath at the constant temperature of 55 to 80 DEG C, adding 1.2g to 2.2g of methylcellulose when the solution is at the target temperature, and continuously stirring the solution at a high speed to obtain a uniform methylcellulose solution. While the temperature is lowered, the viscosity of the solution is increased. When a rotor is stationary, the finished product is obtained. The indicator is suitable for rapid detection on CO2 with the content of 0 to 100 percent in an environment.

The invention provides a CO2 sensitive indicator and a preparation method thereof. The CO2 sensitive indicator comprises the following ingredients by mass percent: 0.001 to 0.021 percent of methyl red, 0.002 to 0.025 percent of bromothymol blue, 3 to 9 percent of ethanol and the balance being pure water with pH value of 7. The preparation method comprises the following steps: mixing ethanol and water to form a 50% to 85% ethanol solution a and a 5% to 60% ethanol solution b at room temperature; adding methyl red into the ethanol solution a, mixing and uniformly stirring to obtain a methyl red ethanol solution, adding bromothymol blue into the ethanol solution b, and mixing and uniformly stirring to obtain a bromothymol blue ethanol solution; and adding the methyl red ethanol solution and the bromothymol blue ethanol solution into the pure water with pH value of 7 to obtain the CO2 sensitive indicator. The indicator is suitable for repaid detection on CO2 with the content of 0 to 100 percent in an environment.

The invention relates to a modeling method for a heterogeneous azeotropic rectification solvent dehydrating tower of an industrial purified terephthalic acid (PTA) device. In the method, the vapor-liquid balance experimental data of an acetic acid, n-propyl acetate, water, p-xylene and methyl acetate quinary mixture system are associated and fitted with the binary interaction parameters of the quinary mixture system according to a thermodynamic property model; and according to the process data of the solvent dehydrating tower under the actual device design condition, a heterogeneous azeotropic rectification solvent dehydrating tower model of the industrial PTA device under the design condition is established, the accuracies of the thermodynamic model and parameters thereof of the quinary mixture system in a laboratory and a rectification tower mathematical steady model are verified, key parameters representing the separating property of the solvent dehydrating tower under the actual condition are acquired, the model is corrected and a process mechanism steady model capable of accurately describing the operating characteristics of the solvent dehydrating tower under the actual condition is established.

The invention discloses a laparoscope multifunctional electrocoagulation dissection flushing and sucking device which comprises a suction tube, an aspirator side hole is formed in one end of the suction tube; a telescopic rotator is fixedly mounted in the middle of the suction tube; a rotatable telescopic electrocoagulation hook is mounted in the suction tube; a grip is fixedly installed on the lower side of the suction tube, a push type switch is fixedly installed on the grip, the other end of a control connecting component is connected with an air valve fixed to the suction tube, a three-wayvalve is arranged on one side of the air valve, a negative pressure system is fixedly connected to the end, close to an external electrocoagulation hook main machine, of the suction tube, and an external water pump is fixedly connected to the grip. According to the device, a traditional electrocoagulation hook and a flushing aspirator are perfectly integrated together; the telescopic rotator is controlled to control the electrocoagulation hook to be located at different positions, so that the electrocoagulation hook can be perfectly and seamlessly switched among multiple modes such as an anatomy mode, a hemostasis mode and a flushing and sucking mode, all adjusting steps can be completed through one-hand operation, seamless connection is achieved, and the working efficiency is greatly improved.

The invention discloses a tree fertilizer application control method and an automatic control system for an automatic fertilizer applicator. The method comprises the steps of establishing a corresponding relation table among the amount of fertilizer application holes, the distances from the fertilizer application holes to a tree, the drilling depths of the fertilizer application holes and the single-hole fertilizer application amount according to the diameter of a tree trunk; measuring the diameter of the tree trunk by using a visual sensor, comparing the diameter with the corresponding relation table, and selecting corresponding data of the amount of the fertilizer application holes, the distances from the fertilizer application holes to the tree, the drilling depths of the fertilizer application holes and the single-hole fertilizer application amount; and determining accurate drilling positions of a fertilizer application driller by taking the data as the action basis of a cantilever and the fertilizer application driller, and then, drilling for fertilizer application at the periphery of the tree. The automatic fertilizer applicator is provided with a controller, a plurality of sensors and electromagnetic valves, so that the automatic drilling for fertilizer application of the fertilizer applicator becomes possible; in addition, the fertilizer application operation is more scientific, and the main root system is not easily injured.

The invention discloses a washing machine. The washing machine comprises an inner barrel, a thread scrap filtering device and a drainage water channel, wherein the inner barrel contains washing waterindependently during clothes washing; the thread scrap filtering device is arranged on the barrel wall of the inner barrel and is used for filtering thread scraps in dehydration and drainage; and thedrainage water channel is arranged on the barrel wall of the inner barrel and communicates with a dehydration water outlet, and the drainage water channel, the thread scrap filtering device and the inner barrel are fixedly connected through the same connecting piece. The washing machine has the beneficial effects that a pre-positioning structure stud of a filtering cover on the thread scrap filtering device penetrates through the side wall of the inner barrel and partially penetrates into the side wall of the drainage water channel, an operator can visually see the stud of the filtering coverwhile the positioning effect is achieved, blind operation is avoided, the fastening reliability is improved, and the installation efficiency is further improved.

The invention discloses a shale gas hydraulic fracturing physical simulation test system comprising a true tri-axial module, a hydraulic servo pumping pressure module, an acoustic emission module, a hydraulic sand fracturing module, and a control device. The true tri-axial module includes a test sample placement room, square pressing blocks, and first hydraulic devices connected with the square pressing blocks respectively. The acoustic emission module includes acoustic emission probes installed inside the test sample placement room, and a full-information acoustic emission analyzer host. The hydraulic servo pumping pressure module includes box bodies and high-pressure injection pumps, and hydraulic fracturing fluid in the box bodies is connected with a pre-arranged wellbore in a test sample through pipes. The hydraulic sand fracturing module includes a sand fluid container and a second hydraulic device, and the second hydraulic device includes a second hydraulic oil tank body, a second hydraulic motor-driven pump, a second three-level four-way electric hydraulic servo valve, a second relief valve, a second hydraulic cylinder, and a second hydraulic piston. The shale gas hydraulic fracturing physical simulation test system of the invention can simulate hydraulic sand fracturing experiments under different formation stress conditions.

The invention discloses a drawable needle-shaped hemostasis electrode for the otorhinolaryngological department. The drawable needle-shaped hemostasis electrode comprises an operating handle, a metalelectrode stretching out of the initial end of the operating handle and a surgical connector which is connected with the tail end of the operating handle through a cable; the operating handle comprises a handle shell, a circuit board, an operating switch, a synchronous air valve, a suction pipe, a conveying pipe, an independent air valve and a drainage pipe; the metal electrode comprises a cutterbody part, a connecting part and a cutter head part which are connected with one another in sequence, the initial end of the cutter body part extends out of a sucking port of the initial end of the suction pipe, and the tail end of the cutter body part stretches into the initial end of the operating handle to be connected with the circuit board; the cutter head part is in a needle shape, the connecting part is in a bent arc shape, the cutter body part is in a flat shape, the included angle of 45 degrees is formed between the axial direction of the cutter head part and the axial direction of the cutter body part, needles of the cutter head part are distributed away from the cutter body part, and the length of the needles exceed the pipe radius length of the suction pipe. According to the drawable needle-shaped hemostasis electrode, precise cutting of mucosa and reducing of side injuries in an operation can be achieved, clearness of the surgical horizon is maintained, observation is facilitated, and the health of medical personnel is protected.

The invention discloses a buffer package design-based virtual simulation platform, which comprises a data source module, a visual three-dimensional module and a virtual simulation display interface module, and is characterized in that the data source module provides data and method support for the virtual simulation display interface module, and the visual three-dimensional module provides model support for the virtual simulation display interface module. The buffer package design-based virtual simulation platform provided by the invention is used for providing a new teaching mode for a buffer package test and enhancing the understanding of students.

The invention discloses a short circuit alarm mechanism of an intelligent circuit breaker based on the Internet of Things and a use method thereof. The following technical schemes of the invention are provided: the short circuit alarm mechanism comprises a box body, a door is rotatably connected in the box body, a monitoring assembly is fixedly connected to the top of the box body, an odor sensor and a smoke sensor are fixedly connected to the inner wall of the top of the box body, the inner wall of one side of the box body is fixedly connected with a circuit breaker, the interior of the circuit breaker is rotatably connected with a knife switch, and the circuit breaker is provided with a driving assembly used for closing the knife switch. The short circuit alarm mechanism is simple in structure. According to the short circuit alarm mechanism, the odor sensor and the smoke sensor can detect scorched flavor and smoke generated in the knife switch, a first small motor can be started in time to turn off the knife switch, the knife switch can be covered through a protection cover, and therefore, blind operation of non-staff is avoided; light emitted by a yellow alarm lamp and light emitted by a red alarm lamp are different, staff can be reminded of the reason for tripping of a circuit breaker, and later maintenance and replacement are facilitated.

The invention discloses a prepuce ectropion positioner. The prepuce ectropion positioner comprises a prepuce ectropion pad and an inner board positioner. The prepuce ectropion pad is sleeved with the inner board positioner. The prepuce ectropion pad comprises a stretching cylinder and a sleeve. The sleeve is connected to one end of the stretching cylinder. A metal wire is arranged inside the side wall of the stretching cylinder. The inner board positioner comprises a first hook and loop fastener, a positioning board, a fixing piece and a second hook and loop fastener. The first hook and loop fastener is arranged at one end of the positioning board, and a second hook and loop fastener is arranged at the other end of the positioning board. Due to the fact that the prepuce ectropion pad and the inner board positioner are matched, the glans penis, the coronary sulcus and the inner board can be sufficiently exposed, the inner board can be precisely positioned, and therefore the phenomena that the glans penis and frenum may be injured during operation, the edges of the inner board is not regular, the appearance is not attractive after operation, and penile erection bending or pain or other complications are caused due to the fact that blind operations are performed under the condition that an operator cannot see are avoided. The prepuce ectropion positioner is simple in structure, low in cost, applicable to disposable products and capable of avoiding cross infection caused by repeated usage.

A fountain-pen automatic assembly line system includes a worktable, two sprockets, and an endless loop driving chain connecting the two sprockets. The sprockets are mounted at two ends of the worktable respectively. A plurality of jigs is provided on the driving chain, wherein the jigs are configured to hold fountain pen barrels. A transporting rail supporting the driving chain is provided between the two sprockets, and the transporting rail is fixed on the worktable. An ink-reservoir mounting station and an ink-reservoir pressing station are provided on the worktable successively. The ink-reservoir mounting station is provided with an automatic ink-reservoir mounting machine, and the ink-reservoir pressing station is provided with an automatic ink-reservoir pressing machine. The ink-reservoir mounting process and the ink-reservoir pressing process are linked via the driving chain, so that the assembly time is shortened and the assembly efficiency is improved.

The invention relates to a multimedia player with a remote control function, which can learn and memorize one or more control commands of a remote controller so as to further control one or more target electric appliances in a wireless way. The multimedia player comprises a wireless information transmission interface, a display screen, a storage module and a processor. When a remote control interface is entered and the operation for controlling a target electric appliance is carried out, the processor searches a corresponding control command in the storage unit and sends the control command to the target electric appliance through the wireless information transmission interface so as to control the target electric appliance in a wireless way. The invention also discloses a method for utilizing the multimedia player to control the target electric appliances. By means of the multimedia player provided by the invention, the remote control operation can be directly carried out on the display screen to achieve the purpose of controlling a plurality of target electric appliances; and moreover, the display screen resources are reasonably utilized, and the method is simple and visual.

The invention relates to a visible intrauterine device extracting instrument, and belongs to the technical field of medical instruments. The visible intrauterine device extracting instrument comprises a catheter which is provided with a catheter cavity formed in the center in the length direction. A hook head is formed at the left end of the catheter. A hook groove is formed by the hook head. The right end of the catheter is fixedly sleeved with an operating handle. The visible intrauterine device extracting instrument is characterized by further comprising a micro camera. The micro camera is arranged on the end face of one end, with the back facing the hook groove, of the hook head. After passing through the catheter cavity and being extracted from the right end of the catheter cavity, the micro camera is electrically connected with a video device through a micro camera transmission line. A physiological curvature bending section is formed at the left end of the catheter. The hook head is formed at the left end of the physiological curvature bending section. An intrauterine device can be extracted from the body of an accepter in a visible state, the blind operation can be avoided, the accurateness of an operation is guaranteed, and the difficulty of the operation is lowered; the operation time is shortened, and the operation efficiency is improved; the pain inflicted on the accepter is alleviated, and wounds dealt to the accepter and complications are reduced; the comfort feeling of the accepter is enhanced; the structure is succinct, manufacturing is convenient, and the cost paid by the accepter is lowered.

The invention discloses a remote infrared control method and device. The remote infrared control method provided by the present invention includes: sending an infrared control instruction to a target device; obtaining the response sound characteristics of the response sound after the target device successfully executes the infrared control instruction stored in advance; collecting sound data, and according to the sound data and the response sound feature to determine an execution result of the target device on the infrared control instruction. The remote infrared control method provided by the present invention can timely obtain the feedback information of whether the infrared control command is successfully executed by the target household electrical appliance, avoids blind operation in the remote infrared control, and improves user experience.

A flat-pen automatic assembly line system includes a worktable, two sprockets, and an endless loop driving chain connecting the two sprockets. The two sprockets are mounted at the two ends of the worktable, respectively. A plurality of jigs on the driving chain receives pen barrels. A transporting rail supporting the driving chain is provided between the two sprockets. A pen-cap mounting station and a pen-cap pressing station are provided on the same worktable successively, and the pen-cap pressing station is provided with an automatic pen-cap pressing machine. The pen-cap mounting process and the pen-cap pressing process are completed on the same worktable and these two processes are linked via the same driving chain. Therefore, the assembly time is shortened and the assembly efficiency is improved. Furthermore, the pen-cap pressing process may employ an automatic pen-cap pressing machine. Therefore, labor can be reduced further, and assembly efficiency can be improved.

The invention discloses an application method of a molding plastic extruding machine recognizing material varieties. A hopper body is included. The hopper body comprises a cylindrical storage cylinder. The bottom of the storage cylinder is connected with a funnel-shaped discharging structure. A sliding groove fixedly installed in the plastic extruding machine is further included. The internal width of the sliding groove is larger than the width of an opening of the sliding groove. A feeding port communicated with the plastic extruding machine is formed in the bottom of the sliding groove. An upper sliding block and a lower sliding block are arranged below the hopper body. The upper sliding block and the lower sliding block are located outside and inside the sliding groove respectively and connected through a pipeline. An inner cavity of the hopper body is communicated with the feeding port through a pipeline. The storage cylinder is provided with a transparent signboard storage belt. The storage signboard storage belt is arranged on the storage cylinder so that anyone can know the varieties of materials inside the storage cylinder, it is avoided that workers carry out the blind operation without knowing the varieties of the materials, and the operation of the workers is guided.