2687 results about "Pleat" patented technology

The invention relates to the related technical field of zipper anti-blocking, in particular to a light and thin fabric jacket zipper anti-blocking process optimization method, which comprises the following steps: integrating material structure parameters and mechanical behavior characteristics, performing dynamic stress simulation on a light and thin fabric jacket zipper mounting area, analyzing stress distribution and evolution rules under different motion states and opening and closing speeds, and determining the anti-blocking process of a light and thin fabric jacket zipper. And a zipper anti-clamping groove structure is arranged, and a process optimization parameter combination is obtained through parameter optimization. The technical problems that comprehensive analysis of material structure parameters such as yarn density and friction coefficient and mechanical behavior characteristics is lacked, stress distribution of a zipper installation area cannot be accurately determined, and jamming and fabric wrinkling and damage are prone to occurring are solved, stress distribution of the zipper installation area in different motion states is determined, and the application range of the zipper installation area is widened. The elastic buffer layer and the guide sliding rail are arranged through stress distribution, the elastic buffer layer is differentially configured according to a high-stress area, the guide sliding rail is sectionally arranged according to pressure distribution of a contact surface, stress is effectively absorbed and dispersed, and the zipper is guided to slide smoothly.

The invention relates to the technical field of slipper material cutting, and discloses a slipper production raw material cutting device which comprises a main body, the left side of the main body is rotatably connected with a limiting roller, the front side of the main body is fixedly connected with a rotating motor, the output end of the rotating motor is fixedly connected with the limiting roller, and the side wall of the main body is slidably connected with an electric frame. The side wall of the electric frame is slidably connected with a moving block. An outward force can be applied to the material before the cutter is in contact with the material, the force can enable the periphery of a cutting area of the material to be in a tightened state, lateral force generated on the material when the cutter cuts the material can be reduced, the material is kept in a relatively stable state, and the cutting efficiency of the material is improved. And the conditions of deviation and wrinkles generated by the acting force of the cutter during material cutting are reduced, and the cutting deviation caused by the wrinkles in the material cutting process is reduced.

The invention belongs to the technical field of fabric breadth detection, and particularly relates to anti-wrinkle high-elasticity composite textile fabric breadth detection equipment which comprises a detection table, a feeding guide roller and a discharging guide roller which are arranged on the two sides of the top of the detection table, and a detection box fixedly arranged on the top of the detection table, a feeding hole and a discharging hole are respectively formed in two sides of the detection box, and a sealing door plate is arranged at the top of the detection box; and the dust detection mechanism is arranged on the side wall of the detection box. Through cooperative operation of the dust detection mechanism, the cleaning mechanism, the optical breadth detection mechanism, the electric signal adjusting mechanism, the marking mechanism and the like, the position of a detection component can be accurately adjusted according to the breadth of the fabric, dust and impurities of the fabric are cleaned, the device adapts to the fabrics with different thicknesses, breadth abnormal parts can be marked, meanwhile, the detection environment is optimized, and the detection efficiency is improved. The problems of measurement errors, dust interference and the like of existing equipment are effectively solved, and the detection precision, the applicability and the working efficiency are greatly improved.

A neck guard configured to protect a wearer's neck and throat from injury is provided. It comprises a continuous, slash-resistant tube defining inside and outside surfaces, and spaced apart top and bottom edges. The tube is sized to fit over the wearer's head for positioning around the neck, and the top edge is contoured to follow the shape of the wearer's jaw and skull. A plurality of means for securing the tube along both the top and bottom edges to other devices are provided as well to prevent the tube from drooping or otherwise moving out of place while being worn. The tube may be made from a seamless, knitted material using high-strength textile fibers such as aramid, para-aramid, polyethylene, ultra-high-molecular-weight polyethylene, or nylon, and it may also be blended with other rugged yet elastic materials. The neck guard can include foam padding attached to the tube for additional protection.

The invention belongs to the technical field of cloth slitting equipment, and particularly relates to cloth fixed-width slitting equipment which comprises a frame body, an unwinding mechanism and a first winding mechanism are arranged at the two longitudinal ends of the frame body respectively, the first winding mechanism comprises a transverse frame, and the transverse frame is rotatably installed between the two transverse side walls of the frame body through rotating shafts arranged at the two ends; each rotating shaft is fixedly connected with a connecting plate, first air cylinders are symmetrically arranged on the two sides of the frame body, one ends of the first air cylinders are hinged to the corresponding connecting plates, the other ends of the first air cylinders are hinged to the frame body, two sets of supporting arms are slidably connected to one side of the transverse frame in the length direction of the transverse frame, and a second frameless motor is fixedly installed at the end of each supporting arm. First air expansion shafts are fixed to the inner rings of the second frameless motors, and the two first air expansion shafts are oppositely arranged. The first air cylinder drives the connecting plate to drive the transverse frame to rotate around the rotating shaft, dynamic adjustment of the rolling angle is achieved, it is guaranteed that constant tension is kept in the cloth rolling process, and wrinkles or looseness is avoided.

The invention relates to the technical field of textile yarn detection equipment, in particular to fire-fighting textile yarn tensile property detection equipment which comprises a base, a detection structure, a clamping structure, a mounting structure, a propelling structure, a placement structure and a limiting structure. The tension performance of the gauze strip is detected through the detection structure, the two ends of the gauze strip are clamped through the clamping structure, the automation degree is high, the fixing efficiency of the ends of the gauze strip is improved, then the detection efficiency is improved, and meanwhile the clamping force is conveniently controlled and adjusted; the position of the upper clamping structure is quickly adjusted through the mounting structure, so that the maximum distance between the two chucks is adjusted, and the applicability of the device is improved; a plurality of to-be-detected gauze strip samples are quickly fixed through the placing structure, and the samples are automatically pushed through the pushing structure, so that the gauze strip detection efficiency is improved; the gauze strip is preliminarily clamped through the limiting structure, so that the gauze strip keeps certain tension during feeding, and the end of the gauze strip is prevented from wrinkling when the gauze strip is clamped by the clamping structure.

An aqueous crease-free ultra-fine leather processing device and its preparation method of the present invention belong to the technical field of fabric surface treatment. The processing device includes a first fabric stretching, rectifying and guiding roller group and a second fabric stretching, rectifying and guiding roller group, which can stretch the wrinkles formed on the surface of the ultra-fine non-woven fabric to ensure that the ultra-fine leather has no creases. There are also hole channels for the passage of aqueous slurry formed on the surfaces of the first fabric stretching, rectifying and guiding roller group and the second fabric stretching, rectifying and guiding roller group, so that the impregnation effect on the surface of the ultra-fine non-woven fabric is better. Both the first fabric stretching, rectifying and guiding roller group and the second fabric stretching, rectifying and guiding roller group include a left fabric stretching and guiding roller group and a right fabric stretching and guiding roller group arranged in parallel. Both the left fabric stretching and guiding roller group and the right fabric stretching and guiding roller group include a vertically rotating vertical rotating belt and a horizontally rotating horizontal rotating belt. By adjusting the rotation speeds of the two vertical rotating belts, the non-woven fabric can be rectified.

The invention discloses a tightening effect real-time monitoring method based on polyester fabric tightening equipment, and relates to the field of tension adjustment, and the method comprises the following steps: step 1, deploying tightening data acquisition equipment in a specified area of the tightening equipment; step 2, presetting a plurality of adjustment schemes when the tightening equipment performs tightening operation in different sections along the length direction, the width direction or the specific angle direction of the cloth, wherein each scheme comprises a target tightening speed set value and a target tightening amplitude set value in the direction; 3, the tightening data acquisition equipment sequentially or parallelly applies acting force to the polyester fabric at the tightening speed and the target tightening amplitude set in the adjustment scheme in different specified directions; by collecting the actual deformation quantity, the local flatness and the wrinkle generation coefficient of the polyester fabric and combining a preset speed and amplitude scheme and timing state evaluation, key parameters causing abnormal tightening can be accurately recognized and marked, and the marked parameters are subjected to simulation iteration correction.

The embodiment of the invention discloses a clothing care flatness monitoring method, electronic equipment and fabric cleaning equipment, and belongs to the technical field of clothing care and monitoring. The clothing care flatness monitoring method comprises the following steps: acquiring a multi-angle RGB image and laser projection reflection data; according to the multi-angle RGB image and the laser projection reflection data, obtaining multi-modal fusion data of the surface of the to-be-nursed clothes; determining two-dimensional texture features and three-dimensional deformation features of the surface of the to-be-nursed clothes based on the multi-modal fusion data; determining a three-dimensional wrinkle strength index according to the two-dimensional texture features and the three-dimensional deformation features; and determining the flatness of the to-be-nursed clothes based on the three-dimensional wrinkle strength index. According to the method, the optical image and the laser structured light data are combined, so that the spatial accuracy of wrinkle recognition is remarkably improved, meanwhile, real-time decision support is provided for intelligent nursing equipment, the situation of excessive nursing or insufficient nursing is effectively avoided, and therefore the nursing effect is improved, and meanwhile energy consumption is reduced.

The invention belongs to the technical field of bridge construction, and particularly relates to protective equipment with a protective shed hanging basket in a rainy region, which comprises a pouring section, the hanging basket is arranged at one end of the pouring section, a power mechanism is arranged at the upper end of the pouring section, an adjusting mechanism is arranged on one side of the power mechanism, and first rainproof cloth is arranged in the adjusting mechanism. And rainproof cloth II is arranged on one side of the adjusting mechanism. According to the protection equipment, the first waterproof cloth and the second waterproof cloth are arranged, the characteristics of water seepage resistance and tearing resistance of the high-strength PVC coating cloth are matched, meanwhile, it is guaranteed that the waterproof cloth is flat, tensioned and free of wrinkles after being unfolded by means of the steel wire rope balancing weight, and erosion of rainwater to unsolidified concrete and a hanging basket operation area of a pouring section can be completely isolated; the problems of segregation, surface dusting, strength reduction and the like of concrete due to rain wash are avoided, it is guaranteed that the concrete construction quality reaches the design standard, and the quality rework cost and construction period delay caused by rain are greatly reduced.

The invention discloses intelligent manufacturing garment fabric damage detection equipment, and belongs to the field of fabric damage detection.The intelligent manufacturing garment fabric damage detection equipment comprises a workbench, a fixing frame is fixedly installed at the top end of the workbench, a detection lamp is fixedly installed on the fixing frame, and a detection end corresponding to the detection lamp is fixedly installed on the workbench; a fixing plate is slidably mounted between the fixing frames, and a fixing roller is rotatably connected between the fixing frames; and the smoothing structure comprises a fixing rod and a connecting rod which are rotationally connected between the fixing frames. Through movement of the smoothing plate, the surface of the fabric is scraped, the fabric is smoothed, wrinkles on the surface of the fabric are avoided, meanwhile, sundries on the surface of the fabric can be scraped away through scraping of the smoothing plate, the influence of the sundries on detection is avoided, in the process that the whole smoothing plate moves towards one side, the smoothing plate continuously moves back and forth, and the detection efficiency is improved. The scraping frequency of the smoothing plate on the fabric is increased, and the smoothing and cleaning effects of the smoothing plate are improved.

The invention relates to the field of detection equipment, in particular to a hot air non-woven fabric detection device for non-woven fabric production, which comprises a detection box, a correction roller, a straightening mechanism, a cleaning mechanism and a detection plate, a feeding port and a discharging port are formed in the two ends of the detection box respectively, the two correcting rollers are rotationally arranged in the detection box, and the two straightening mechanisms are arranged on the corresponding correcting rollers and used for enabling the non-woven fabric to be tightened in a vertical state and unfolding wrinkles on the non-woven fabric at the same time; the cleaning mechanism is arranged in the detection box and located between the two correction rollers, and the cleaning mechanism is used for cleaning impurities on the two sides of the non-woven fabric; the detection plate is arranged in the detection box, and a plurality of shooting cameras and illuminating lamps are sequentially arranged on the detection plate. Through cooperation of the two correcting rollers and the straightening mechanism, the non-woven fabric can be stretched in multiple directions, wrinkles of the non-woven fabric can be avoided, the detection effect is ensured, and the cleaning effect of the cleaning mechanism can be improved.

The invention discloses a textile fabric tensile strength detection device, and belongs to the field of textile fabric detection.The textile fabric tensile strength detection device comprises a fixed base, a connecting plate is fixedly mounted on the fixed base, a clamping structure is mounted on the side wall of the connecting plate, and a fixed frame is slidably connected to the side wall of the connecting plate; a detection clamping plate is mounted on the fixed frame through an adjusting structure, and a force sensor is fixedly mounted on the detection clamping plate; and the smoothing structure comprises a moving plate which is connected to the inner wall of the fixed frame in a sliding mode, the side wall of the moving plate is fixedly connected with a sliding block, and the inner wall of the fixed frame is provided with a sliding groove corresponding to the sliding block. According to the cloth flattening device, cloth is flattened before detection, the cloth is kept flat, wrinkles on the cloth are avoided, therefore, during detection, detection data are more accurate, detection errors are reduced, meanwhile, the flattening roller is rotated in the moving process, and the flattening effect of the flattening roller is improved.

The invention discloses three-proofing cloth coating thickness detection equipment, and relates to the technical field of three-proofing cloth laser detection. A detection assembly is fixedly mounted on the right side of the top surface of the detection platform and comprises a detection base, and the detection base is of a hollow structure so that the three-proofing cloth can penetrate through the interior of the detection base; wherein laser detectors are fixedly mounted on the front side and the rear side of the interior of the detection base correspondingly, and the laser detectors detect the coating thickness of the three-proofing cloth by emitting and receiving detection light beams on the upper side and the lower side of the three-proofing cloth. According to the three-proofing cloth coating thickness detection equipment, the three-proofing cloth is conveyed through the unwinding unit and the winding unit, the dust removal mechanism assists in cleaning and collecting attached dust and dirt, and meanwhile, the wrinkle removal mechanism corrects the three-proofing cloth and then removes wrinkles, so that the smooth three-proofing cloth is subjected to coating thickness detection through a detection light beam, and the detection efficiency is improved. And the influence of factors such as dust, wrinkles and the like on laser detection data is avoided.

The utility model discloses a transmission deviation rectifying device of a flame compound machine, which comprises a bearing support, the top of the bearing support is fixedly connected with two connecting supports, the side wall of one connecting support is fixedly connected with a connecting motor, and the output end of the connecting motor is fixedly connected with a connecting roller. The tail end of the connecting roller penetrates through one connecting support and is rotationally connected with the other connecting support. According to the utility model, the belts on the first fixed disc and the second fixed disc drive the corresponding movable disc and the movable bidirectional screw rod to rotate, then the movable sleeve block moves along the direction of the movable bidirectional screw rod, and meanwhile, the movable sleeve block and the movable rod are movably sleeved and guided; the movable sleeve block can conveniently drive the fabric on the movable concave block to move towards the two sides, so that wrinkles of the fabric are reduced, the phenomenon that the fabric is empty after rolling off is reduced, meanwhile, the fabric is adjusted and rectified, and the using effect is improved.

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 a dyeing machine cloth guide wheel set structure capable of preventing cloth winding, and relates to the technical field of dyeing machines. A support frame is fixedly mounted at the top of the dyeing machine through bolts; the use method of synchronous driving and preliminary guiding, air film resistance reduction and dynamic supporting, intelligent wrinkle detection and smoothing deviation correction and secondary smoothing and adhesion separation is adopted, the front guide roller, the adjusting guide roller and the rear guide roller are synchronously driven by a servo motor to convey cloth, and the cloth is conveyed by the front guide roller, the adjusting guide roller and the rear guide roller. According to the multi-dimensional cooperative anti-wrinkling and anti-winding system, the multi-dimensional cooperative anti-wrinkling and anti-winding effects are achieved through the cooperative effect of three core dimensions of tension control optimization, active path deviation correction and physical separation adhesion on the whole, and the anti-wrinkling and anti-winding effect is achieved through the multi-dimensional cooperative anti-wrinkling and anti-winding effect of the multi-dimensional cooperative anti-wrinkling and anti-winding system, so that the multi-dimensional cooperative anti-wrinkling and anti-winding effect is achieved. And the risks of wrinkle formation and subsequent winding of the cloth in the cloth guiding process are efficiently eliminated.

The invention discloses an automatic steamed stuffed bun machine with wrinkled stuffing, and relates to the field of steamed stuffed bun machines, the automatic steamed stuffed bun machine comprises a rack, the rack is sequentially provided with a stuffing pressing part, a creasing part, a folding part, a sealing part and a supporting plate lifting part from top to bottom, the stuffing pressing part comprises a wrapper sucking plate and a pre-pressing ring, and the wrapper sucking plate and the pre-pressing ring both have freedom degrees of moving in the vertical direction; a plurality of pre-pressing pieces are fixed to the bottom of the pre-pressing ring in the circumferential direction of the pre-pressing ring, the creasing component comprises a plurality of creasing pieces arranged in the circumferential direction, the folding component comprises a plurality of wrapper receiving pieces arranged in the circumferential array, and the wrapper receiving pieces are provided with hinge points of the horizontal axis; a plurality of wrapper receiving pieces and a plurality of pre-pressing pieces are sequentially staggered to form clearance fit, so that dents are formed in the wrappers in advance, the wrapper receiving pieces deflect towards the annular space from hinge points to enable the wrappers to be folded into a vertical state, wrinkles are formed on the peripheries of the wrappers in cooperation with the creasing pieces, the wrinkles are formed in a creasing mode, and the creasing effect is closer to that of traditional manual making; and after the stuffed product is cooked, wrinkles do not rebound.

The invention relates to the technical field of cloth treatment equipment, and particularly discloses textile cloth double-sided ironing and leveling equipment which comprises a box body, a feeding port and a discharging port are formed in the left side face and the right side face of the box body respectively, and two steel belt ironing mechanisms which are in up-down mirror symmetry are arranged in the box body; a gap adjusting mechanism for enabling the two steel belt ironing mechanisms to get close to each other is arranged in the box body; the steel belt ironing mechanism comprises two steel belt guide rollers which are arranged in the box body and close to one side of the feeding port, a steel belt driving roller is arranged in the box body close to one side of the discharging port, an ironing steel belt is arranged between the two steel belt guide rollers and the steel belt driving roller, and a heating device is arranged between the two steel belt guide rollers; according to the textile fabric ironing and leveling device, continuous, large-area and long-time ironing and leveling treatment on the textile fabric is achieved, high treatment efficiency is achieved, the treatment effect on the textile fabric is good, wrinkles on the textile fabric can be effectively eliminated, and the treated textile fabric is softer and smoother.

The present invention provides a visual inspection device for clothing fabric defects, belonging to the technical field of fabric defect detection. It includes a workbench, on the top of which there are two groups of side plates. Between the two groups of side plates, there is a unwinding component for transporting the fabric. On the top of the unwinding component, there is a defect detection component. The defect detection component includes a visual detection module and an RFID tag. On the top of the fabric, there are a visual detection module and an RFID tag. On one side of the visual detection module, there is a tag placement arm. Between the two groups of side plates, there is also a soft light. On the two groups of side plates, two groups of stretching components are symmetrically arranged; the visual detection module is used to detect the defects and wrinkles of the fabric. When wrinkles are detected, the stretching components will be activated to process the wrinkled area, solving the problem that traditional detection devices are easily interfered, and eliminating the interference of wrinkles on image acquisition; at the same time, when a defect is detected, the image information of the defect will be input into the RFID tag for recording, which is convenient for subsequent processing of the fabric.

The invention relates to the technical field of preparation of high-moisture-absorption warm-keeping anti-wrinkle flexible cloth, in particular to high-moisture-absorption warm-keeping anti-wrinkle flexible cloth and a preparation process thereof.According to the designed moisture-absorption skin-friendly layer, alkali decrement treatment and silane coupling agent grafting treatment are combined, and the natural antibacterial property of coffee grounds is reserved; the shape memory polymer fibers of the anti-wrinkle layer deform when the temperature is larger than or equal to the glass transition temperature, the shape is fixed after cooling, a nanometer adhesive is melted in the hot pressing process to fill gaps of a framework, and the elastic recovery rate after repeated folding is far higher than 85%. The high porosity and low heat conductivity coefficient of aerogel fibers of the warm-keeping layer are combined with the heat storage and temperature regulation functions of phase change microcapsules, so that the air permeability of the warm-keeping layer is remarkably improved; all the layers are chemically bonded through plasmas to form covalent bond combination, so that the phenomenon of layering after multiple times of water washing or bending is effectively avoided.

The invention relates to the technical field of embossing control, in particular to an intelligent control method and system for embossing equipment of non-woven filter products. The method comprises the following steps: acquiring multi-modal data in an embossing process; analyzing the multi-modal data, and determining material information and operation information; based on the material information, analyzing the operation information, and determining surface deformation characteristics of the filter cloth; predicting the wrinkle development trend of the filter cloth according to the surface deformation characteristics of the filter cloth; and determining a dynamic control instruction according to the wrinkle development trend of the filter cloth. The wrinkle development trend of the filter cloth is predicted, a time blind area is avoided, a control decision has predictability, and the false alarm rate is reduced. According to the wrinkle development trend of the filter cloth, a dynamic control instruction is determined, chain reaction caused by single parameter adjustment can be eliminated, and the temperature gradient of a stress concentration area is reduced.

An adaptive fabric folding system and methods for folding a subject fabric article are provided. The system includes a turnover device; a fold line adjuster configured to adjust a fold line of the subject fabric article; a pleat generator; and a fold line fixing device. The pleat generator includes an adjustor adjusting a width of a pleat of the subject fabric article and a fabric feeding device. The turnover device is configured to flip a margin of the subject fabric article delimited by a preset fold line. The fold line adjuster is configured such that a lateral movement of the guiding portion changes a width of margin of the subject fabric article that engages with a curved surface of the turnover device to alter the fold line. The pleat generator is configured to create and regulate widths of pleats while moving the subject fabric article.

The present invention discloses a suspension conveying device for a textile machine, which relates to the technical field of textile cloth transportation. It includes a fixed track part, on which an electric pulley is slidably connected. A buffer assembly is arranged on the lower surface of the electric pulley. The buffer assembly includes connecting frames symmetrically and fixedly connected to the lower surface of the electric pulley. There are at least two connecting frames. A sliding rod is slidably connected to each connecting frame. Through the setting of the anti-wrinkle assembly, the textile cloth is kept flat during the conveying process, avoiding the over-stretching or twisting of the textile cloth fibers caused by wrinkles. Thus, the damage of the fibers in the textile cloth can be reduced, the occurrence of defects and flaws in the textile cloth can be reduced, the overall quality and durability of the textile cloth woven products can be improved. At the same time, it saves the cumbersome procedure of overhauling and winding the textiles after weaving on the textile machine and then transporting them to the next processing equipment, further saving the processing procedures.

The utility model is applicable to the technical field of dust-free cloth processing, and discloses a dust-free cloth cutting device which is characterized in that fixing plates are hinged to the surfaces of the two ends of the side edge of each sliding plate through rotating shafts, an I-shaped rod is rotationally installed between the side edges of every two sets of fixing plates through bearings, and the surface of the middle end of each I-shaped rod is fixedly sleeved with an extrusion roller; and lifting plates are slidably installed on the inner side of the hollow frame, transmission plates are vertically and fixedly installed on the surfaces of the middle ends of the tops of the lifting plates, fixing blocks are fixedly installed on the surfaces of the two ends of the outer side of each lifting plate, and the side edges of the fixing frames are fixedly connected with the outer sides of the lifting plates. According to the technical scheme, the bottom of the extrusion rolling wheel can be attached to the surface of the cloth to be cut in the containing frame all the time, the surface of the cloth is extruded and leveled all the time, labor consumption needed by manual leveling is reduced, and meanwhile the situation that the cutting quality is affected due to the fact that the cloth is wrinkled at will in the cutting process is avoided.

The utility model provides a cloth feeding mechanism of a hemming sewing machine, and belongs to the technical field of sewing machines. The edge covering sewing machine solves the technical problems that when an existing edge covering sewing machine covers edges, indentations are generated, and cloth feeding is not stable. According to the cloth feeding mechanism of the hemming sewing machine, an upper rotating shaft and an upper walking wheel are connected through an upper one-way needle bearing, a lower rotating shaft and a lower walking wheel are connected through a lower one-way needle bearing, the lower end of an upper crank can slide in a reciprocating mode along a long-strip-shaped hole of the upper crank, and a presser foot is fixedly connected to the front side face of an upper support. The upper end of the upper support is fixedly connected with an adjusting rod capable of adjusting the height of the upper support. The upper one-way needle bearing and the lower one-way needle bearing are arranged, so that wrinkles or creases of fabrics due to different linear speeds of the upper walking wheel and the lower walking wheel are avoided; the adjusting rod, the adjusting nut and the upper support are matched to adaptively adjust the gap between the upper walking wheel and the lower walking wheel, the fabric does not generate indentations at the edge covering position, and the attractiveness of an edge-covered product is improved.

The utility model provides a sewing machine for cloth hemming. The sewing machine for cloth hemming comprises a sewing machine body, a hemming folder and an adjusting blocking piece. The hemming folder is correspondingly arranged on a table plate of the sewing machine, the discharging end of the hemming folder corresponds to a presser foot of the sewing machine, the adjusting blocking piece is arranged on the table plate of the sewing machine corresponding to a discharging port of the hemming folder, and the end, close to the presser foot of the sewing machine, of the adjusting blocking piece is located at the front end of a feeding tooth of the sewing machine. And the lower surface of the hemming cloth strip discharged from the folder can be propped against the lower surface of the hemming cloth strip, so that the forward resistance of the lower-layer cloth of the hemming cloth strip is increased. According to the utility model, the friction force of the lower-layer cloth is increased by adopting the contact between the adjusting separation blade and the lower surface of the cloth strip, so that the synchronism of the upper-layer cloth and the lower-layer cloth in the sewing process is ensured, the wrinkling or loosening phenomenon is greatly reduced, and the stability and the consistency of edge covering are improved.