78results about How to "Improve the delivery effect" patented technology

The invention relates to the technical field of building materials, and particularly discloses high-strength lightweight concrete containing hollow glass beads and a preparation method of the high-strength lightweight concrete. The high-strength lightweight concrete containing the hollow glass beads is prepared from cement, fly ash, carbon fiber grafted hollow glass beads, lightweight sand, deionized water, polypropylene fiber grafted rubber particles and a water reducing agent according to the mass ratio of (58-75): (25-38): (45-65): (20-40): (42-55): (35-55): (5-12) through mixing, mold filling, vibration molding, covering and demolding. The addition amount of the hollow glass beads is strictly controlled, the influence on the overall strength of the concrete is avoided, the density and weight of the concrete are reduced due to the addition of the light sand and the hollow glass beads, the compactness and integrity of the concrete are improved due to the synergistic effect of the two added fibers, and the raw materials have excellent cohesiveness; the concrete can effectively absorb and disperse stress, and has the advantages of excellent strength, light weight, good durability and excellent comprehensive performance.

The invention discloses a zero sample image classification method and device, and belongs to the field of image recognition. According to the method, a category description document is generated through a large language model, global and local feature information of an image and the document is obtained through a visual encoder and a text encoder, then decoupling is performed through a visual semantic decomposition module and a text semantic decomposition module, and visual semantic embedding and text semantic embedding are generated; through joint training of the modules, optimizing total loss composed of local-to-semantic mapping variance loss, multi-semantic diversity loss, decomposition semantic alignment loss and local semantic alignment loss; and the training is used for image category prediction in the reasoning stage after completion of training. According to the invention, the difficulty of zero sample image classification can be reduced, and the classification accuracy and efficiency are improved.

The invention relates to the technical field of network advertisements, in particular to an advertisement data management system based on market trend analysis, which comprises a data acquisition module, an analysis module, a prediction module, a conversion rate calculation module and an adjustment module. The advertisement effect is reflected by acquiring click and purchase data after advertisement putting, the change trend of user behaviors is accurately recognized through the analysis module, and the user change rate is calculated, so that data support is provided for an advertisement putting strategy, and the advertisement putting strategy is more accurate by analyzing historical data, predicting the future purchase trend and comparing with predicted data in real time. The conversion rate change of the advertisement is accurately evaluated, a basis is provided for optimizing the advertisement effect, whether the advertisement putting duration needs to be adjusted or not is judged according to the comprehensive analysis of the user change rate and the conversion rate change rate, efficient utilization of advertisement resources is ensured, the accuracy and flexibility of advertisement putting are remarkably improved, the conversion rate and the return on investment of the advertisement are facilitated, and the user experience is improved. And continuous optimization and improvement of the advertisement effect are realized.

An inner conveying catheter is movably arranged in an inner cavity of an outer conveying catheter in a penetrating mode, the inner conveying catheter comprises a first main body catheter section and a first bending adjusting catheter section in the axial direction of the inner conveying catheter, the far end of the first main body catheter section is connected with the near end of the first bending adjusting catheter section, and the first bending adjusting catheter section has the bendable function; the inner control silk thread is connected with the first bending adjusting pipe section and used for controlling the first bending adjusting pipe section to be bent actively, and the pushing inner core rod piece is movably arranged in an inner cavity of the inner conveying guide pipe in a penetrating mode. Therefore, the artificial valve ring has good regulation and delivery performance, the multi-angle space regulation performance of the artificial valve ring effectively improves the success rate of a mitral valve replacement operation, the mitral valve replacement operation can be carried out in various ways such as femoral artery, atrial septum (femoral vein) and cardiac apex, the release paths of the artificial valve ring are diversified, and the artificial valve ring has good application prospects. The operation range is greatly widened, the operation method is simple and easy to learn, and the learning curve and the operation duration of an operator can be effectively shortened.

The present invention provides a thrombus remover. The thrombus remover comprises a cylindrical self-expanding stent (1) with openings at both ends, a delivery guide wire (2) and an introduction sheath (3). The wall (11) of the self-expanding stent is composed of a hollow grid (12). The self-expanding stent (1) is divided into three parts along the length direction from the connection with the delivery guide wire (2): a proximal end (15), a middle section (14) and a distal end (13); the single grid area of ​​the grid of the middle section (14) is larger than the single grid area of ​​the distal end (13) and the proximal end (15). A smooth edge connecting rod (161) is arranged at the proximal edge of the self-expanding stent (1). The wall thickness of the self-expanding stent is 0.01-0.04 mm larger than the width of the connecting rod (16) at the non-proximal edge forming the grid (12).

The invention relates to the technical field of membrane separation materials, and discloses a separation composite membrane and a preparation method and application thereof.The separation composite membrane comprises a supporting layer, a silicone rubber middle layer and a polymer layer which are sequentially stacked; a polymer forming the polymer layer comprises a structural unit I from a polyamine compound, a structural unit II from a polyacyl chloride compound and a structural unit III from a polyphenol compound. The separation composite membrane has a relatively high CO2 flux and a relatively high CO2 and N2 separation coefficient.

The utility model relates to the technical field of food processing, and discloses raw material stirring equipment for candy production, which comprises a mixing tank, a stirring component for mixing candy raw materials is mounted on the middle side in the mixing tank, and a driving component is fixedly connected to the middle of the top end of the mixing tank. The driving assembly is used for driving the stirring assembly to stir in the mixing tank; and an opening is formed in the top of the joint box, the top of the opening communicates with a feeding hopper, and a batching box is arranged on the upper side of the interior of the joint box. According to the mixing device, the candy raw materials attached to the inner wall of the mixing tank can be rotationally scraped while the candy raw materials are mixed, so that waste caused by the fact that the candy raw materials are attached to the inner wall of the mixing tank is avoided, the effect of saving the resource cost is achieved, meanwhile, the candy raw materials are guided into the mixing tank from the material guide pipe after passing through the material suction pipe through the pump body, and the mixing efficiency is improved. And a good conveying effect is achieved, so that the working efficiency is improved.

The utility model relates to the field of air-jet looms, and discloses an air-jet loom selvedge yarn conveying device which comprises a machine frame for an air-jet loom, selvedge yarn and a conveying mechanism. A conveying mechanism for conveying the selvedge yarns is arranged on one side of the rack; the conveying mechanism comprises a pressing wheel, transmission rollers, an adjusting roller, an elastic conveying belt, a first adjusting plate, a second adjusting plate, a sliding block, a spring and a fixing rod, the pressing wheel is arranged on one side of the rack and abuts against the selvedge yarn, the two transmission rollers are rotationally connected to one side of the rack, and the same elastic conveying belt is connected to the two transmission rollers. The utility model has the following advantages and effects: through the cooperation of all the parts, the selvedge yarn conveying device not only can conveniently convey selvedge yarns with different thicknesses, but also can adjust the contact area between the selvedge yarns and the elastic conveying belt as well as between the selvedge yarns and the pressing wheel according to the requirements of users.

The invention discloses an online and printing integrated automatic badge machine with a good conveying effect, and relates to the technical field of badge machines, the online and printing integrated automatic badge machine comprises a machine body, a UV printer is mounted on the left side of the top of an inner cavity of the machine body, and a film cutting mechanism is mounted on the top of the inner cavity of the machine body and located on the right side of the UV printer; a waste film recycling mechanism is installed on the right side of the film cutting mechanism, a riveting assembly is installed in the machine body, a discharging assembly is installed on the front portion of the riveting assembly, a rotating mechanism is installed on the left side in the machine body, a lower cover bin is installed on the left side of an inner cavity of the machine body, and an upper cover bin is installed on the right side of the inner cavity of the machine body. According to the online printing integrated automatic badge machine with the good conveying effect, automatic badge equipment is purely electrically operated, printing, riveting and discharging are integrated, good technical improvement is achieved for badge production and machining, the production cost can be reduced, the machining efficiency can be improved, and the machining process can be optimized.

The utility model relates to the technical field of chip resistor production, in particular to a chip resistor production strip folding device which comprises an operation table, a control panel is fixedly connected to the front surface of the operation table, a chip resistor plate body is arranged on the upper surface of the operation table, and a sliding groove is formed in the top face of the operation table. A first moving frame and a second moving frame are sequentially arranged in the sliding groove from left to right. And the lead screw body is installed in the first moving frame, and a first motor is arranged at the right end of the lead screw body. According to the chip resistor plate conveying device, the first moving frame can be driven to slide towards the right side in the sliding groove through rotation of the first motor, chip resistor plate bodies can be conveyed in a limited mode through abutting of the first abutting block and the second abutting block, the overall conveying effect is good, the positions of the chip resistor plate bodies can be fixed, and the conveying efficiency is improved. The position of the surface chip resistance plate body deviates during operation.

The invention relates to the technical field of medical instruments, in particular to a medical precise infusion device which comprises an infusion tube, an infusion needle is installed on the back face of the infusion tube, a limiting conveying frame is arranged on the outer surface of the infusion tube, a side block is installed on the top face of the limiting conveying frame, and a supporting column is installed on the right side of the side block. The upper surface of the supporting column abuts against the lower surface of a liquid conveying pipe, and a piston ring is installed in the liquid conveying pipe. And the first connecting block is mounted on one side of the surface of the stabilizing frame. According to the clamping device, a self-locking effect is achieved between a worm and a worm gear, so that a second abutting block and a first abutting block can stably clamp an infusion tube and a piston ring, and the infusion tube and the piston ring in the infusion tube can be stably clamped in an abutting mode through the second abutting block and the first abutting block; the piston ring can push the liquid medicine in the infusion tube to carry out infusion operation, so that the liquid medicine in the infusion tube can be stably conveyed through the piston ring.

The application discloses a rotary air preheater with a multilayer annular heat pipe, relates to the technical field of air preheating, and comprises an outer shell, an inner rotor, a center cylinder, a flue gas inlet, an air outlet, a flue gas outlet, an air inlet, a disturbance mechanism, a ring pipe group, a driving piece and a corrugated plate group. The center cylinder is coaxially arranged at the center position in the outer shell, the inner rotor is rotationally arranged on the outer wall of the center cylinder, the outer wall of the inner rotor is rotationally connected with the inner wall of the outer shell, the inner rotor is driven by the driving piece located at one side of the outer shell, the flue gas inlet and the air outlet are formed in the top end of the outer shell, and the flue gas outlet and the air inlet are formed in the bottom end of the outer shell. The corrugated plate group and the ring pipe group are arranged in the inner rotor, and a plurality of disturbance mechanisms are circumferentially arranged on the inner wall of the ring pipe group. The flue gas and the air are transversely washed to the annular heat pipe, the heat exchange coefficient of the flue gas and the air is strengthened, the deposition rate and deposition amount of ammonium bisulfate on the heated surface can be significantly slowed down, and the safety risk is reduced.

The application discloses a neuron firing rate timing prediction method based on space-time feature fusion, and comprises the following steps: (1) obtaining original neural pulse data from a neural activity public data set, an experimental acquisition system or a neural signal simulation platform; (2) constructing a space-time Transformer model combined with transfer entropy, wherein the model structure comprises an input representation layer, a time attention layer, a space attention layer, a transfer entropy calculation layer and an output layer; (3) constructing a joint loss function, and training the space-time Transformer model constructed in the step (2) by using the original neural pulse data obtained in the step (1); and (4) in an inference test stage, inputting neural pulse data to be predicted into the trained space-time Transformer model to obtain a neuron firing rate prediction result. The space-time Transformer model combined with transfer entropy is constructed, and accurate prediction of neuron group firing rate is realized.

The invention discloses a low-temperature cavity rapid sample changing device, and relates to the technical field of low-temperature detection equipment, the low-temperature cavity rapid sample changing device comprises a detection cavity, a valve, a sample support and a locking mechanism, the detection cavity is provided with a sample transfer channel, a heat conduction seat is arranged in the detection cavity, the heat conduction seat is provided with a sliding groove, the valve is used for opening or closing the sample transfer channel, and the sample support is provided with a sliding block; the locking mechanism comprises two locking blocks, the two locking blocks can move oppositely in the sliding direction of the sliding blocks and get close to each other or get away from each other, and when the sliding blocks and the sliding grooves are in a sliding fit state, the locking blocks can move oppositely in the sliding direction of the sliding blocks. The two locking blocks get close to each other or get away from each other and are embedded between the sample support and the heat conducting seat to limit the sliding of the sliding block so as to realize locking, and the two locking blocks get away from each other or get close to each other so as to be separated from the sample support and the heat conducting seat so as to unlock the sliding block. The rapid sample changing device for the low-temperature cavity can greatly shorten the sample changing time and improve the sample changing efficiency.

This invention relates to antibody-binding lipid nanoparticles comprising antibodies bound to membrane scaffold proteins, and more specifically, to antibody-binding lipid nanoparticles comprising lipids and antibodies bound to membrane scaffold proteins, which are therefore easy to prepare and have excellent specific targeting capabilities.

The invention provides a natural photocatalyst with an ultrahigh specific surface area as well as a preparation method and application thereof, and belongs to the technical field of sewage treatment. The preparation method comprises the following steps: culturing algae in a heavy metal polluted water body, carrying out sectional pore expansion on the obtained algae rich in endogenous metals, mixing a primary carbonized product with an activator, carrying out chemical regulation and control treatment to obtain a carbonized product, and sequentially washing and drying the carbonized product to obtain the natural photocatalyst. A natural raw material rich in endogenous active substances and rich endogenous mineral components such as Fe, Ni, Mn, Zn or Ti are prepared by utilizing the excellent biological enrichment effect of seaweed on heavy metals in a water body, the graphitization level of the catalyst is improved in the pyrolysis process, formation of an edge defect structure is promoted, the electron transfer capacity is remarkably improved, and the catalytic activity of the catalyst is improved. The catalytic performance of the catalyst is obviously improved, a preliminary carbonization product can be obtained through sectional pore expansion, and a carbon layer structure is twisted or deformed in the chemical regulation process, so that pores are formed. The specific surface area of the prepared natural photocatalyst reaches up to 3360.28 m < 2 > / g, the removal effect on organic dye is remarkable, the removal rate reaches 90% or above, and the purposes of resource utilization of seaweed solid waste and environmental protection can be achieved.

This utility model discloses an automatic raw material dispensing mechanism, belonging to the technical field of electrode paste production equipment. It includes a frame, a spiral conveying component, a drive motor, and an operation controller. The inner wall of the spiral conveying component is provided with a gradient hydrophobic composite material layer, which is composed of 3-5 alternating layers of nano-silica hydrophobic coating and polyether ether ketone wear-resistant layer. The outer wall of the spiral conveying component is evenly distributed with dynamic airflow regulating components in a ring. A multimodal vibrator is also integrated on the outer wall of the spiral conveying component. The multimodal vibrator includes a piezoelectric ceramic high-frequency vibrator and an electromagnetic low-frequency vibrator. The piezoelectric ceramic high-frequency vibrator and the electromagnetic low-frequency vibrator are staggered along the axial direction of the spiral conveying component, and the vibration direction is set at a 30-60° angle to the axis of the spiral conveying component. This effectively solves the problem of severe material adhesion and reduced mixing quality after long-term operation of existing automatic dispensing mechanisms.

In order to solve the problems of limited labeled data, differences between blood vessels and interference of lesion area, the present application discloses a retinal blood vessel image segmentation method based on a multi-scale dilated convolution residual network, which is still a challenge problem for accurately segmenting retinal blood vessels, especially fine blood vessels, on a retinal fundus image. The present application designs a multi-scale residual input and output module to make up for the loss of part of the blood vessel structure information due to down-sampling, combines the advantages of dilated convolution and DropBlock to relieve network overfitting and reduce the influence of the lesion area on blood vessel feature extraction, and further introduces a multi-scale mean pooling module to obtain high-level features and retain context information. Finally, by improving the way of jump connection, the dilated convolution is effectively used to improve the information transmission capacity of the jump connection. Compared with other algorithms, the present application can more accurately segment the fine blood vessels in the retinal image under complex conditions and has better robustness.

The utility model relates to the technical field of steel plate conveying, and specifically discloses a laser cutting machine steel plate to be cut conveyor, which comprises a base, the top of the base is provided with a support truss, the support truss is slidably matched with the base, the top of the support truss is provided with a lifting plate driven by a lifting mechanism, a plurality of sliding grooves are equidistantly arranged at the bottom of the lifting plate, the sliding grooves are horizontally arranged, sliding blocks are slidably arranged in the sliding grooves, an electric permanent magnetic adsorption mechanism is arranged at the bottom of each sliding block, clamping blocks are vertically arranged at the two ends of each sliding groove, the two clamping blocks are oppositely arranged, a driving moving mechanism is arranged in matching with each clamping block, and a movable block for limiting the steel plate body is slidably arranged on the clamping block. The utility model can effectively improve the hoisting safety of the steel plate body, realize stable conveying effect, and be flexibly adapted to steel plate bodies of various specifications.

The present specification provides a data processing method, device and server for content delivery. Based on the method, when a content delivery party wants to deliver content to user terminals in a target delivery area through multiple channels, the content delivery party can initiate a target delivery request to a server of a content delivery management platform. The server responds to the target delivery request, determines the authority range of the content delivery party by querying an organizational structure database according to the identification information of the content delivery party, verifies whether the target delivery area matches the authority range of the content delivery party, generates target delivery content matching multiple delivery channels in the case of matching, binds the target delivery content to a target activity according to the activity identification of the target activity, and sends the target delivery content to the user terminals in the target delivery area. Thus, the operation of the content delivery party can be effectively simplified, the related content delivery can be efficiently and accurately completed, and a better delivery effect can be obtained.

The invention provides an advertisement bidding method and device, equipment and a storage medium, which can be applied to various scenes such as advertisements. The processing method comprises the following steps: a demand side platform obtains an advertisement request; based on the advertisement request, obtaining K candidate advertisements, the minimum advertisement revenue of the target media platform for each candidate advertisement, and the minimum advertisement consumption of an advertiser of each candidate advertisement for the candidate advertisement; for the ith candidate advertisement in the K candidate advertisements, based on the minimum advertisement revenue corresponding to the ith candidate advertisement and the minimum advertisement consumption corresponding to the ith candidate advertisement, the bidding of the ith candidate advertisement is determined, and the bidding is that the advertisement revenue of the ith candidate advertisement in the target media is not smaller than the corresponding minimum advertisement revenue; and under the condition that the advertisement consumption of the advertiser of the i-th candidate advertisement for the i-th candidate advertisement is not less than the corresponding minimum advertisement consumption, the demand side platform selects the bid of the advertisement when the advertisement revenue of the i-th candidate advertisement is maximum, so that the bidding accuracy is improved.

The invention discloses a system and method for compacting and cementing a modified body of full tailings. The system comprises a deep cone thickener, a feeding belt conveyor and a silo; the deep cone thickener is sequentially connected to a variable frequency underflow pump, a concentration meter, a flow meter A and a feeder; the deep cone thickener is also sequentially connected to an overflow pool, a variable frequency water supply pump, a three-way regulating valve and a flow meter B, the three-way regulating valve is also connected to the overflow pool, and the flow meter B is connected to the feeder; the feeding belt conveyor is sequentially connected to a buffer hopper, a continuous metering feeder A and a feeder; the silo is sequentially connected to a continuous metering feeder B, a feeder, a bulk mixer, a transfer belt conveyor and a tailings pond; the system also comprises a roller connected to the tailings pond.

This application provides an intelligent control method and device for a multi-functional projection device, belonging to the field of projection control. The method includes: acquiring personnel flow information, personnel distribution information, and personnel trajectory information of a target area; dividing the personnel flow information into multiple target personnel flow information based on the personnel flow information; each target personnel flow information corresponds one-to-one with a target sub-area; each target sub-area is an area within the target area that is at a different distance from the target multi-functional projection device; dividing the personnel trajectory information into multiple target personnel trajectory information based on the personnel flow information; each target personnel trajectory information corresponds one-to-one with a target sub-area; determining a target projection control strategy based on the multiple target personnel flow information, multiple target personnel trajectory information, and personnel distribution information; and controlling the target multi-functional projection device to perform projection display based on the target projection control strategy. This application can improve the adaptability of information projection by the projection device.

The invention belongs to the technical field of gas separation membranes, and particularly discloses sulfonation modified CAU-1, a mixed matrix membrane, a preparation method and application. The preparation method of the mixed matrix membrane comprises the following steps: synthesizing CAU-1, and modifying sultone molecules to the surface of CAU-1 through ring-opening reaction to synthesize sulfonation modified CAU-1; and synthesizing the mixed matrix membrane doped with the sulfonated modified CAU-1 nano material. The method has the advantages that the raw materials are easy to obtain and low in price; the preparation process is simple, and industrialization is easy to realize; the prepared mixed matrix membrane is good in hydrophilicity and acid resistance; when the composite material is applied to the field of CO2 gas separation, the composite material has a relatively high CO2 permeability coefficient and a CO2 / N2 separation factor.

The present invention is composed of an epicyclic continuously variable transmission, a worm gear speed control and state automatic control system, which fully utilizes the unique mechanical characteristics of the epicyclic gear system and the worm gear in the reverse transmission state. The transmission and speed change are all completed by gears, and the transmission capacity has been greatly improved. The control power is very small, which improves efficiency and reduces energy consumption. The new technology has a simple structure and has the typical characteristics of universal and practical machinery. It is not only suitable for ordinary vehicles and machinery, but also a new continuously variable transmission suitable for heavy equipment such as large and heavy vehicles and large machinery.

The utility model relates to the technical field of electric meter boxes, in particular to an intelligent electric meter box with an electric shock prevention function, which comprises an intelligent electric meter box body, a single door with a lock is hinged to the front side of the intelligent electric meter box body, a wire inlet hole and a wire outlet hole are formed in the bottom of the intelligent electric meter box body, and rubber gaskets are arranged in the wire inlet hole and the wire outlet hole. Heat conducting plates are embedded in the left and right sides of the intelligent electric meter box body, and a drying assembly is arranged at the top of the inner wall of the intelligent electric meter box body. According to the intelligent electric meter box with the anti-electric-shock function, rubber gaskets are arranged in the wire inlet hole and the wire outlet hole, so that the connecting positions of a wire and the wire inlet hole and the wire outlet hole are sealed, heat in the intelligent electric meter box body is transmitted to the outside through the two heat conduction plates, and bagged drying agents are placed in the hollowed-out storage box; the bagged drying agent can play a role in drying the inside of the sealed intelligent electric meter box body and effectively prevent the inside of the intelligent electric meter box body from being moist, so that the situation that maintenance personnel get an electric shock due to the moist inside the intelligent electric meter box body is avoided.

The utility model provides a sample putting device for cell counting analysis, this sample putting device includes: the input shell, the input shell bottom fixed communication has the sample pipe, the sample pipe bottom side with the flow type cavity of flow cytometer intercommunication, automatic push mechanism, automatic push mechanism installs in the side surface of flow cytometer, rotating part, rotating part installs in the side surface of flow cytometer, rotating part with automatic push mechanism bottom side connection, fixed assembly, fixed assembly installs in the side surface of rotating part, fixed assembly in the installation has sample test tube. Realize the rotation adjustment of rotating part, and rotating part further synchronous drive fixed assembly rotates, and the synchronous drive sample pipe rotation of fixed assembly is convenient, realizes the angle of automatic rotation sample pipe, and it is convenient to better rotation sample pipe stable pour sample into the input shell, improves the uniformity of putting sample, effectively improves the putting effect, guarantees the stable input of sample.

The utility model discloses a belt elevator, incline to extend's oblique support frame, the lower part of the right side of two side beams of oblique support frame's before and after is fixed to the vertical support leg of downward extension, and the fixed transverse beam between two adjacent vertical support legs, install oblique conveying device in the oblique support frame, the lower part of oblique support frame is fixed with the lower material receiving casing, and the top of lower material receiving casing is fixed with the material receiving hopper, and the middle part of material receiving head is shaped with the downward extension feed inlet, and the upper portion of lower material receiving casing is communicated with feed inlet, the top surface of the middle part to the upper portion of oblique support frame is fixed with the upper protective cover body, and the top of upper protective cover body projects the top of oblique support frame, and the right side of the top of upper protective cover body is fixed with the material discharging guide casing, and the left end of material discharging guide casing is communicated with the right end of upper protective cover body. It can guarantee the workpiece of lifting to guide through the material discharging guide casing and to drop from its discharge port to the material receiving place below, and the conveying effect is good.

The utility model discloses a vibration powder supply device (17) and additive manufacturing equipment (1). The vibration powder supply device (17) comprises a powder feeding part (20) and a powder discharging part (30), the powder blocking part (21) is arranged in the powder feeding part (20), and a powder feeding space (210) for controlling the height of powder flow is formed between the powder blocking part (21) and the powder feeding part (20); the at least one vibration part (22) is arranged at one end of the powder feeding part (20), and the vibration part (22) is used for providing vibration force acting on the powder feeding part (20), so that the powder feeding part (20) uniformly conveys powder flow. The powder conveying device can realize continuous and stable conveying of powder materials so as to achieve a better conveying effect.

The utility model provides a conveying device for furniture board production, which relates to the technical field of furniture board production and comprises a pair of vertical boards, a plurality of conveying rollers and a plurality of conveying rollers. A plurality of guide plates located between the adjacent conveying rollers are arranged between the pair of vertical plates, a pair of limiting plates used for guiding the two sides of the furniture wood plate is symmetrically arranged above the conveying rollers, and extending blocks arranged on the side walls of the guide plates in a sleeving mode extend from the bottoms of the limiting plates; the top of the limiting plate is provided with a threaded rod which is inserted into the extending block and makes contact with the top of the guide plate so as to stop the limiting plate. The anti-deviation conveying device is reasonable in structure, good in anti-deviation effect and good in conveying effect.