12295results about "Webs handling" patented technology

An edge guide is provided. A structure includes curved surface over which a print media can travel. The print media includes a first edge and a second edge that is opposite the first edge. A first media guide is contactable with the first edge of the print media. A second media guide is contactable with the second edge of the print media. The second media guide is spaced apart from the first media guide. A relative spacing between the second media guide and the first media guide is adjustable such that a distance between the first media guide and the second media guide is variable. The second media guide includes a mechanism that applies a nesting force to the second edge of the print media to cause the first edge of the print media to move toward and contact the first media guide.

The invention relates to a self-adaptive control rewinding machine tension and coiled material deviation collaborative optimization method in the field of intelligent manufacturing, and the method comprises the steps: deploying a distributed tension sensor network at a key position of a rewinding machine coiled material path, collecting the tension value of each measurement point in real time, and generating a multi-point tension distribution data matrix arranged according to a time sequence; processing the multi-point tension distribution data matrix by adopting a sliding window time sequence analysis algorithm, detecting tension fluctuation abnormity, and if a tension value exceeds a preset threshold range, recording a tension abrupt change timestamp and a change amplitude, and generating tension abrupt change data; based on the working condition state description, the rolling diameter real-time change data sequence and the tension sudden change data, a prediction model reflecting rolling diameter change and tension fluctuation is constructed in real time, and a predicted tension trend is obtained; and comparing the predicted tension trend with a preset ideal tension range through a model prediction control algorithm, and generating a multi-target optimization instruction which comprises a dynamic torque regulation and control quantity and a floating roller position set value.

The invention provides an aluminum material shearing machine pressure self-adjusting feeding system based on synchronous rollers, relates to the technical field of aluminum material shearing machines, and adopts three synchronous rollers to be mounted in a mounting groove in the surface of a turntable through a movable block, a pneumatic telescopic rod and a pressure sensor in a combined manner to form multi-point support and tension control on an aluminum material. The console collects an extrusion force signal output by the pressure sensor in real time, calculates an actual pressure value in the horizontal direction through a pressure decomposition algorithm in combination with a turntable angle output by the angle sensor, compares the actual pressure value with a preset tension threshold value to generate an error signal, and drives the pneumatic telescopic rod to dynamically adjust the position of the synchronous roller; and when the error exceeds a set range, the servo motor can be controlled to adjust the angle of the turntable, and the wrapping angle of the synchronous roller is changed to realize tension compensation. The conveying tension of the aluminum material under the complex working condition is kept stable, the conditions of loosening, wrinkling, deviation and too tight snapping are avoided, and therefore the stability of the aluminum material in the conveying process and the follow-up shearing precision are improved.

The invention belongs to the technical field of automatic control, and particularly relates to a digital control system for strip coiling equipment, which comprises the following steps of: firstly, comprehensively acquiring strip tension data and state characteristic information by combining a tension sensing assembly and image acquisition equipment, dynamically adjusting a braking torque parameter, and then, acquiring a dynamic control signal by taking the linear speed of a coiling machine as a target signal; the speed of the uncoiling machine and the speed of the traction roller are synchronously aligned through a following strategy, then a taper tension control mode is adopted, the tension value is dynamically adjusted in combination with real-time coiling diameter parameters, the tension stability and the coiling regularity in the coiling process are ensured, and finally the strip deviation problem is detected and processed in real time according to a closed-loop deviation correction mechanism. The equipment control strategy in the strip coiling process is deeply bound with uncoiling control, synchronous coordination, coiling control and a deviation correction core module, and the integrated control capability of multivariable coordination and self-adaptive optimization is achieved, so that the automation and intelligence level of the strip coiling process is effectively improved.

The invention relates to a method for producing a film (2) or sheet from a slabstock material, in particular from a slabstock foam (3), in which at least the following regions are provided, as seen in a production direction (P) of the film (2) or sheet: a cutting region (I) for cutting the film (2) or sheet, wherein the film (2) or sheet is cut out, in a slitting-open manner, by means of a cutting unit (10) from the slabstock material, which is continuously fed to the cutting region (I); also a passing-on region (II), adjoining the cutting region (I) and having a driven passing-on roller (20) for conveying the film (2) or sheet out of the cutting region (I); and also a secondary region (III'), adjoining the passing-on region (II) and intended for further processing the film (2) or sheet, in particular a winding region (III) for winding the film (2) or sheet into a coil (4). In this case, there is a cutting-region stress in the film (2) or sheet in the cutting region (I) upstream of the passing-on roller (20), and there is a secondary stress in the film (2) or sheet in the passing-on region (II) upstream of the secondary region (III'), in particular winding region (III). The invention also relates to an installation (1) for film or sheet production, and to a method for retrofitting an installation (1) for film or sheet production, and to a system for retrofitting an installation for film or sheet production.

A cell stack manufacturing device for secondary batteries is disclosed. The cell stack manufacturing device for secondary batteries may adjust the rotation speed of the feeder roll according to a moving speed and / or a moving position (trajectory) of a guide roller to adjust the tension of the separator. In addition, the cell stack manufacturing device for secondary batteries may control the tension of the separator by the moving speed and moving trajectory of the guide roller. The cell stack manufacturing device for secondary batteries may include a separator supply unit, a tension adjustment unit, and a stack stacking unit. The tension adjustment unit may be provided with a feeder roll that is rotated by a feeder roll drive unit to adjust the tension of the separator.

The invention discloses an automatic wiping device for continuously and effectively cleaning a multi-line diamond wire, and particularly relates to the technical field of electroplated diamond wire production, the automatic wiping device comprises a supporting frame, and the supporting frame comprises an upper frame plate and a lower frame plate which are connected with each other; the consumable supply mechanism comprises two unwinding roller assemblies and two winding driving roller assemblies, wiping cloth is wound between the unwinding roller assemblies and the winding driving roller assemblies which are located on the same frame plate, and the wiping cloth passes through the pressing cleaning area; the air cylinder lifting and pressing mechanism is vertically installed on the upper frame plate and extends to a pressing and cleaning area. The tensioning metering assembly is installed on the lower frame plate. According to the diamond wire cleaning device, automatic tensioning, metering and pressing of the wiping cloth can be achieved, the wiping cloth can effectively make contact with a multi-wire-channel diamond wire, automatic updating of the wiping cloth can be achieved, the situation that the cloth section is polluted due to repeated use is avoided, and the cleaning effect on the diamond wire is effectively improved.

The invention relates to the technical field of defect detection, and particularly discloses a defect visual detection device based on non-woven fabric processing, which comprises a machine body, conveying rollers for conveying non-woven fabrics are rotatably arranged on two sides of the machine body, a camera for visual detection is fixedly connected in the machine body, and the defect visual detection device further comprises a conveying assembly, the conveying assembly is arranged on the right portion of the machine body and used for intermittently conveying the non-woven fabric, a camera shoots an image to conduct visual detection when conveying is paused, through cooperation of the structures, the non-woven fabric can be kept in a static state during shooting, the non-woven fabric cannot be shot when the non-woven fabric shakes, and the non-woven fabric is not prone to shaking. Therefore, the situation that motion blurring occurs to an image collected by the camera, and the visual detection precision is affected is avoided, when traction is stopped, the conveying roller on the left side can slightly conduct unwinding, and therefore when static shooting is conducted, non-woven fabric deformation caused by tension is reduced, and the detection precision is further improved.

The invention relates to the technical field of marking machine devices, in particular to a marking machine for advertisement-level reflective film production, which comprises an operation bracket, a laser marking machine main body is mounted at the upper end of the operation bracket, and a marking platform is arranged on the inner side of the operation bracket. A pre-printing film material pretreatment mechanism used for treating the surface of a reflective film before printing is arranged at the position, close to the front portion, of the upper end of the marking platform, and a post-printing precision treatment mechanism used for treating the surface of the printed reflective film is arranged at the position, close to the rear portion, of the upper end of the marking platform. Various kinds of dirt are adhered and removed through the adjustable flexible rubber sleeve, self-cleaning of the assembly is achieved in cooperation with the scraper, interference factors on a laser beam propagation path are thoroughly removed, and a clean and flat machining basis is provided for subsequent laser marking.

The invention discloses a fault prediction method and system for deviation rectification of a laser die cutting and winding all-in-one machine, and belongs to the technical field of intelligent manufacturing and industrial equipment fault prediction.The method comprises the steps that multi-dimensional sensor data of a deviation rectification mechanism is collected and preprocessed; a sequence variability coefficient is calculated through a sliding window, and a high-risk abnormal time period is screened in combination with a dynamic threshold value; an improved Transform prediction model is constructed to carry out offset trajectory prediction; fault judgment is carried out, and the model is deployed in edge computing equipment or a server to realize efficient prediction; according to the fault prediction method and system for deviation correction of the laser die cutting and winding all-in-one machine, prediction errors can be reduced, the early warning advance and accuracy can be improved, redundant calculation can be reduced, and the model efficiency can be improved to adapt to industrial deployment; potential fault recognition and early warning are achieved, the equipment fault rate and the shutdown risk are reduced, and remarkable economic and social benefits are achieved.

The invention provides roll-to-roll continuous Joule heating equipment. The roll-to-roll continuous Joule heating equipment comprises a heating box, the base material releasing assembly is arranged at one end in the heating box; coating a protective cover; the coating assembly is mounted in the coating protective cover and comprises a coating guide roller set, a liquid guide inclined plate is arranged at a coating gap of the coating guide roller set, a swing driving part is mounted at the inner end of the top of the liquid guide inclined plate, a clamping part is mounted at the outer end of the top of the liquid guide inclined plate, and a storage part is mounted on the outer side of the liquid guide inclined plate; a plurality of groups of separators which are matched and butted with the clamping components are stored in the storage component; a liquid discharge gap is reserved between the storage part and the liquid guide inclined plate; a liquid receiving assembly; a liquid guide assembly; a Joule heating assembly; a spraying assembly; and a base material winding assembly. According to the invention, Joule heat is utilized to quickly dry the coating layer, so that continuous operation of releasing the base material, coating / spraying, heating and drying, and rolling is realized, the continuity of the heating process can be realized, and the experiment or production efficiency is greatly improved.

The utility model discloses an automatic material receiving device for winding of a coating machine, and belongs to the technical field of coating machines. An automatic material receiving device for coating machine rolling comprises a rack and further comprises a rotary disc rotationally arranged on the rack, and at least two sets of rolling rollers are rotationally arranged on the rotary disc; the sliding seat is arranged on the machine frame in a sliding mode, a rotating shaft is fixedly arranged on the sliding seat, a pressing roller is arranged on the rotating shaft in a rotating mode, the pressing roller is matched with one set of winding rollers, a driving part used for driving the sliding seat to slide is arranged on the machine frame, and a cutting knife is arranged on the sliding seat in a sliding mode; according to the utility model, the turntable for switching the wind-up roll is rotationally arranged on the rack, and the pressing roll is driven to be close to or far away from the wind-up roll through the sliding seat, so that automatic material receiving and changing are realized, the production efficiency can be improved, the production requirement can be met, the potential safety hazard during manual operation can be reduced, and the use safety can be improved.

The invention provides a deviation rectification prediction method and device for the tail of a battery core material head and electronic equipment. The deviation rectification prediction method comprises the steps that the current initial offset of a to-be-predicted position on a material line of the tail of a target battery core head relative to a preset reference position before winding is started is collected; obtaining a historical initial offset of a to-be-predicted position on a historical battery cell stock line relative to a preset reference position before winding is started, a corresponding historical deviation correction amount after winding is finished and an actual offset of the historical stock line; determining a target deviation correction influence coefficient according to the current initial offset and the historical initial offset; and the target deviation correction influence coefficient acts on the historical deviation correction amount and the actual offset of the historical stockline, and the predicted offset of the to-be-predicted position on the target stockline is determined. The stockline deviation value can be obtained through a prediction algorithm before winding is started, the deviation correction mechanism is driven to complete prediction compensation in advance, error accumulation caused by lagging response afterwards is avoided, and interference caused by error drift and inaccurate calibration of equipment is eliminated.

The invention belongs to the technical field of cutting beds, and relates to a vision-based cloth paving machine cloth tightness self-adaption method, which comprises the following steps of S1, acquiring an image video stream on the side surface of a cloth roll on a cloth paving machine in real time through an industrial camera; s2, extracting a single-frame image from the video stream, and identifying the cloth type of the current cloth roll; s3, preprocessing the extracted image: segmenting a region of interest on the side surface of the yardage roll, and removing wrinkle interference in the image; s4, carrying out edge detection on the preprocessed region of interest, and extracting the contour of the side surface of the yardage roll; s5, identifying and fitting the contour as a circle, and calculating the diameter of the circle; and S6, determining a corresponding tightness parameter according to the diameter. According to the cloth paving machine cloth tightness degree self-adaption method based on vision, self-adaption control over the cloth tightness degree in the cloth paving process can be achieved, and the cloth paving quality is improved.

The invention discloses an external coiling device of a constant tension machine. According to the technical scheme, the winding device comprises a winding support assembly, wherein the winding support assembly comprises a first winding support and a second winding support which are oppositely arranged; the two ends of the cloth roller are connected with a driving rotating shaft and a supporting rotating shaft through detachable structures respectively, and the driving rotating shaft and the supporting rotating shaft are oppositely arranged on the first winding support and the second winding support respectively; the driving mechanism drives the cloth roller to rotate through a driving rotating shaft; the tension roller is used for receiving the cloth input from the weaving machine and conveying the cloth to the cloth roller; and the tension detection mechanism detects the tension value of the tension roller in real time through a tension sensor. According to the scheme provided by the utility model, large-package, constant-tension and efficient and synchronous winding operation with a weaving machine can be realized.

The utility model relates to the field of Oxford fabric, and mainly discloses an Oxford fabric slitting and winding device which comprises a rack, a fixing frame, a pressing roller, a guide roller, a supporting frame and a winding roller, protruding plates are symmetrically installed on the top of the rack in a central symmetry mode, a flattening roller is rotatably installed between the two protruding plates, a slitting mechanism is arranged over the flattening roller, and the slitting mechanism is arranged on the fixing frame. An adjusting mechanism is fixedly mounted at the top end of the protruding plate, and the slitting mechanism is mounted at the top of the adjusting mechanism. The slitting assembly can be adjusted at equal intervals through the strip-shaped holes which are formed in the adjusting plate and are in the scattering shape, the distance between the slitting wheels arranged on the slitting assembly can be changed according to requirements, then the slitting specification can be adjusted, and after the positions of the slitting wheels are adjusted, the slitting assembly can be conveniently adjusted. And the height of the lifting plate is changed by adjusting the lead screw and the lifting block, so that the cutting wheel can stably cut the oxford fabric on the flattening roller.

The invention discloses a constant-tension self-compensation coating method and an intelligent deviation adjusting method, and belongs to the technical field of material dynamic characteristic on-line testing and cooperative control, and the constant-tension self-compensation coating method comprises the following steps: obtaining stress distribution data of the surface of a coating base material, generating a multi-mode optical data set, analyzing a real-time tension estimated value and material dynamic characteristic parameters, and obtaining a multi-mode optical data set; wherein the dynamic characteristic parameters of the material comprise an equivalent elastic modulus and a surface friction coefficient; generating a dynamic coupling coefficient based on the real-time tension estimation value and the dynamic characteristic parameters of the material, performing analysis and calculation, and outputting a tension compensation control quantity and a deviation adjustment control quantity; and the tension compensation control quantity is executed to adjust the unwinding or winding torque, and meanwhile, the deviation adjusting control quantity is executed to adjust the angle of a deviation correcting guide roller. According to the method, the dynamic characteristics of the material are analyzed in real time by adopting multi-mode optical perception, and the tension deviation coupling model is constructed, so that interference advanced cooperative inhibition and working condition self-adaptive stable coating can be realized.

The invention discloses a copper foil cutting and punching cooperative control method and equipment. The equipment comprises a continuous discharging device, a copper foil punching device, a cutting and pulling device and a cooperative control system. The continuous discharging device feeds materials at a constant speed, and a material storage assembly is arranged between discharging and punching to form a buffering section. The copper foil punching device is used for carrying out intermittent punching on the copper foil; the cutting and pulling device comprises a feeding assembly, a cutting assembly, a pneumatic pressing assembly and a pulling assembly and is used for conveying, clamping and cutting the copper foil, the pneumatic pressing assembly can push the remaining copper foil to a clamping position after cutting, and the copper foil is prevented from falling off; the cooperative control system is combined with a sensor detection signal to dynamically adjust the action rhythm of discharging, punching and cutting, and coordination and synchronization of multiple procedures are achieved.

The utility model discloses a feeding device of an automatic cloth paving machine for garment production, and relates to the technical field of garment production. Comprising a feeding base frame, and a feeding bearing frame used for picking up materials is rotationally arranged on the feeding base frame; the tops of the two feeding frame bodies are rotationally arranged corresponding to the rotating rod, two auxiliary feeding frame bodies are arranged between the two feeding frame bodies, the two auxiliary feeding frame bodies are fixedly connected to the two fixing positions corresponding to the connecting assembly respectively, and the tops of the two auxiliary feeding frame bodies are rotationally arranged on the rotating rod correspondingly in a sleeving mode; the feeding bearing frame is located on the front side of the feeding base frame, the left side and the right side of the top of the feeding bearing frame are correspondingly arranged on the tops of the two auxiliary feeding frame bodies in a rotating mode, and the bottom of the feeding bearing frame vertically abuts against the front side of the connecting assembly. A prying assembly is fixedly connected to the rod body, located between the two auxiliary feeding frame bodies, of the rotating rod, and the prying end of the prying assembly abuts against and is attached to the rear side position of the lower middle section of the feeding bearing frame. The feeding efficiency of the automatic cloth paving machine is improved, and the labor cost is effectively saved.

The utility model relates to the technical field of deviation rectification of a winding device, and provides a deviation rectification device for winding a thin film, which comprises a deviation rectification roller, the deviation rectification roller comprises a rolling shaft main body, a plurality of groups of sliding chutes are uniformly arranged on the rolling shaft main body, a group of deviation rectification plates are arranged in each group of sliding chutes, and the deviation rectification plates can slide in the sliding chutes; a traction rod is fixedly installed on the deviation rectifying plate, and ball seats are installed at the two ends of the traction rod. Adjusting plates are arranged at the two ends of the deviation rectifying roller and installed on the rolling shaft body through self-aligning bearings, the ball seats abut against the adjusting plates, the adjusting plates on the two sides are connected through a linkage shaft, and deviation rectifying driving pieces are further arranged on the two sides of the deviation rectifying roller. When a detection device on the winding machine detects that a thin film deviates, the deviation correction driving piece can drive the adjusting plate to deflect, the deflected adjusting plate drives the deviation correction plate to transversely slide on the rolling shaft body through the traction rod, and therefore deviation of the thin film in the moving process is corrected, and materials on a winding roller can be more orderly.

The invention relates to the technical field of thickness laser measurement, and discloses a composite printing machine film thickness laser measurement device which comprises a supporting base, a fixing support is arranged on one side of the top of the supporting base, and one distance sensor is arranged on the top of the fixing support. The other distance sensor is arranged at the center of the top of the supporting base; the auxiliary measuring mechanism is located on one side of the thin film tightening mechanism, and a thin film winding mechanism is arranged on one side of the auxiliary measuring mechanism. According to the film thickness laser measuring device of the composite printing machine, the distance between fourth tightening rods is controlled, the tightening degree is adjusted, a film is tightened conveniently and kept horizontal, a distance sensor is fixed to the top of the film through a fixing support, and another distance sensor is arranged at the position, under the distance sensor, of the bottom of the film. The height of the fixing support is fixed, the distance sensor measures the distance between the distance sensor and the film through the laser detection probe, and the thickness of the film can be obtained.

The invention relates to a flexible film dynamic following wrinkle removing device based on machine vision, and relates to the field of flexible film processing and intelligent manufacturing, and the flexible film dynamic following wrinkle removing device comprises a visual identification module which is used for carrying out real-time image acquisition on a flexible film in operation and identifying a wrinkle position; the flexible flattening roller is made of a flexible material and is used for being in contact with the flexible film; the thrust executing mechanism is arranged on the back face of the flexible flattening roller and comprises a thrust component capable of moving in the axial direction of the flexible flattening roller. The moving device is used for driving the thrust part to move to the wrinkle position in the axial direction; and the control unit is used for controlling the thrust executing mechanism according to the wrinkle position identified by the visual identification module, so that the thrust part is aligned with the wrinkle position and pushes the flexible flattening roller to generate local deformation, and the film wrinkle is forcibly flattened. According to the method, the wrinkle position is detected in real time through machine vision, the wrinkle removing parameters are dynamically adjusted, the wrinkle removing precision and efficiency can be improved, and meanwhile the damage risk of a thin film material is reduced.

A machine for processing a web of material into bags includes several sections for processing the web of material into bags. An input section is configured to receive a roll of the web of material, a sealing section is configured to form seals in the web of material, and a winder section configured to wind the bags into rolls of bags may be included. A bander section configured to band each roll of bags may be included. A hem forming section configured to form a hem in the web of material may be included. A draw tape unwind station for unwinding draw tape for bags maybe included. Related methods are further disclosed.

The invention discloses a winding and cutting device, and relates to the field of winding and cutting processing equipment, the winding and cutting device comprises a cutting platform, one end of the cutting platform is provided with a winding support, the cutting platform is provided with a flattening roller structure, an interval pressing device and a cutting device, the flattening roller structure comprises two flattening rollers which are parallel up and down and are arranged side by side, and the cutting device is arranged on the flattening roller structure. The interval pressing device comprises a base and a pressing block, the cutting device comprises a lower cutting edge and an upper cutting edge, an edge cutting device is arranged between the interval pressing device and the cutting device, the edge cutting device comprises a cutting set and a trimming set, the cutting set comprises a cutting disc, and the trimming set comprises a trimming disc. The trimming set comprises a trimming disc. The cutting set can cut the edge of an unfolded coiled material, and flaws generated on the edge during interval pressing and coiling are removed; and the arranged trimming set can help the edge of the coiled material to recover to be flat after edge cutting.

The invention relates to the technical field of automatic control, and discloses a roll diameter calculation method for high-speed and wide battery pole piece equipment, and a system comprises an unwinding unit, a metering roller unit, a winding unit, an unwinding encoder, a metering encoder, a winding encoder and a controller, and the unwinding encoder, the metering encoder and the winding encoder are respectively connected with an unwinding shaft, a metering roller and a winding shaft. The method comprises the following steps: synchronously obtaining the angle increment of each shaft and the length increment of a material; calculating a stable rolling diameter through a symmetric differential model based on the incremental data; generating a characterization variable for quantifying the stretching state of the material as process feedback; an adjustment signal is generated in a closed loop without a physical sensor and used to dynamically correct the drive command. High-precision rolling diameter calculation and self-adaptive tension closed-loop control are achieved through a pure algorithm, a physical tension sensor is replaced, the equipment cost and the maintenance difficulty are remarkably reduced, and the system operation stability and the final product quality are improved.

The utility model relates to a micro tension control device for a diaphragm of a winding machine, which comprises a driving mechanism, a first tension adjusting mechanism, a tension detection mechanism, a second tension adjusting mechanism and a plurality of roller passing structures which are mounted in the winding machine. The multiple roller passing structures are installed between the unwinding roller and the winding needle, the first tension adjusting mechanism, the driving mechanism, the tension detecting mechanism and the second tension adjusting mechanism are sequentially inserted among the multiple roller passing structures, and a diaphragm is unwound by the unwinding roller and sequentially passes through the first tension adjusting mechanism, the driving mechanism, the tension detecting mechanism and the second tension adjusting mechanism. And winding at a winding needle. According to the diaphragm micro-tension control device for the winding machine, high-precision control can be performed on diaphragm micro-tension through three schemes at the same time, constant diaphragm tension is guaranteed, and the problems of loosening, dislocation, excessive stretching and the like of the diaphragm in the conveying process are solved.

Device (7) for deploying cable reels, irrigation hoses, ropes or the like such as elongated and flexible elements which are wound and unwound around a reel (7) for storage, use and transport and which basically consist of a support base (13) and at least one support means of the reel (7) and extensible linking means consisting of a plurality of inner tubes (2) connected to a plurality of outer tubes (1) through at least one anchoring system (5) and at least one tilting and anchoring mechanism (6).

The utility model belongs to the technical field of textile processing equipment, and particularly relates to a textile fabric drying and shaping device which comprises a supporting plate and a drying box arranged on the supporting plate, and is characterized by further comprising a guide assembly and a shaping assembly, the deviation prevention assembly is arranged on the supporting plate, located between the cloth guide roller and the drying box and used for preventing the guided cloth from deviating; the anti-wrinkling device further comprises an anti-wrinkling assembly, and the anti-wrinkling assembly is arranged on the anti-deviation assembly and used for preventing the guided cloth from wrinkling. The anti-deviation device has the beneficial effects that the anti-deviation assembly is installed on the supporting plate, located between the cloth guide roller and the drying box and used for preventing the fabric from deviating in the conveying process so that it can be guaranteed that the fabric can be stably conveyed along a preset path.