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Cloth stalk crossing detection sewing device and method
The invention provides a cloth stem-crossing detection sewing device and method. The cloth stem-crossing detection sewing device comprises a first presser foot rod provided with an outer presser foot, a second presser foot rod provided with an inner presser foot, a presser foot transmission mechanism, a control module, a sewing material thickness detection sensor, an alternating quantity adjusting mechanism, an alternating quantity detection sensor and an alternating quantity adjusting driving source. The sewing material thickness detection sensor is obliquely mounted at the bottom of the sewing machine shell; detection points, falling on the sewing material, of the sewing material thickness detection sensor are distributed on the rear sides of the outer presser foot and the inner presser foot in the feeding direction of forward feeding during forward sewing of the sewing machine; the presser foot transmission mechanism is provided with a transmission swing seat for determining the alternating quantity of presser feet, and the alternating quantity adjusting driving source is connected with the transmission swing seat through the alternating quantity adjusting mechanism. The sewing material thickness is effectively detected in advance, so that the presser foot alternation amount is adjusted in time, the presser foot alternation amount of the sewing machine adapts to the change of the sewing material thickness, efficiency is improved, stem-crossing stitches are beautified, and sewing quality is guaranteed.
Owner:JACK SEWING MASCH CO LTD
Turnover device and automatic top fly sewing equipment
The utility model discloses a turn-over device. The turn-over device comprises a mounting seat, a first pressing mechanism, a second pressing mechanism and a turn-over mechanism, the second pressing mechanism comprises two lifting pressing assemblies; the turn-over mechanism comprises a plurality of blowing assemblies and pressing and folding assemblies. The utility model further discloses automatic top fly sewing equipment. According to the sewing machine, the first pressing mechanism is arranged and used for fixing sewing cloth; the lifting press-fit assembly is arranged to be used for pressing and loosening the folded part of the front fly material, the blowing assembly is arranged in cooperation to provide a blowing function to blow the folded part of the front fly material, the pressing and folding assembly folds the folded part of the front fly material, and automation is improved; according to the automatic top fly sewing equipment, full-automatic machining of automatic feeding of materials to be sewn, automatic top fly turning, sewing machining and discharging is achieved, the automation efficiency is improved, the labor intensity and cost of workers are reduced, and the production efficiency and quality of shirts are improved.
Owner:DONG GUAN SUPERGREAT AUTOMATION CO LTD
A sewing machine with needle length adjustment and zero position positioning of swing seat
The present invention proposes a sewing machine with stitch length adjustment and zero-position positioning of a swing seat, specifically relating to the technical field of sewing machine manufacturing, comprising a driving source, a connecting rod, and a swing seat, characterized in that it also comprises an adjusting wheel and a slider, wherein the driving source drives the slider on the output shaft to indirectly position the swing seat at zero, and the slider is arranged on a slide groove of the adjusting wheel, the adjusting wheel is connected to the connecting rod, and the connecting rod is hinged to the swing seat. The present application has the characteristics of high accuracy in positioning the zero point of the swing seat, the static positioning wheel is fixed and equipped with an adjusting wheel to make the operation more stable, the gap between the various components is small after positioning, the degree of mechanical wear of the various components is small, and the noise is relatively low, which has the advantages of stable operation and high promotion and use value.
Owner:QIXING INTELLIGENT TECH CO LTD
Swing mechanism in sewing machine or button sewing machine
The utility model provides a swing mechanism in a sewing machine or a button sewing machine, and belongs to the technical field of sewing machines. The button sewing machine solves the problem of how to enable the moving precision of buttons on the button sewing machine to be high. And the like. According to the swing mechanism in the sewing machine or the button sewing machine, the sewing machine or the button sewing machine comprises a rack, a first power source and a swing bottom plate are arranged on the rack, the swing mechanism comprises a swing disc and a connecting rod assembly, the first power source is connected with the swing disc and can drive the swing disc to swing relative to the rack, a first through groove is formed in the swing disc, and a second through groove is formed in the connecting rod assembly. The inner end of the connecting rod assembly is hinged to the first through groove and can slide in the first through groove, and the outer end of the connecting rod assembly is connected with the swing bottom plate. The inner end of the connecting rod assembly is hinged into the first through groove, the first through groove plays a role in limiting swinging of the connecting rod assembly, the swinging precision of the swinging bottom plate is improved, and the moving precision of the button on the swinging bottom plate is improved.
Owner:TAIZHOU NIUWANG SEWING MASCH CO LTD
Double-stepping overedger
The utility model belongs to the technical field of sewing machines, and particularly relates to a double-stepping overedger which comprises a machine body, and a thread trimming assembly, a presser foot lifting assembly, a feed lifting tooth shaft and a feeding tooth frame are arranged in the machine body. The first stepping motor is arranged on the side face of the machine body, a first motor shaft is arranged in the first stepping motor, and double cams are installed on the periphery of the first motor shaft and used for driving the thread trimming assembly and the presser foot lifting assembly to act; the second stepping motor is arranged on the side face of the machine body, a second motor shaft is arranged in the second stepping motor, a first crank is installed on the periphery of the second motor shaft, and one end of the first crank is connected with a connecting rod. The second stepping motor can control the height of the feeding tooth frame, the rotation angle of the stepping motor is utilized to enable the teeth to operate according to the set height, through double-stepping control, non-pneumatization and non-electromagnet are achieved, production noise can be lowered, and the sewing effect is improved.
Owner:TAIZHOU SUPU ELECTROMECHANICAL CO LTD
Sewing machine external unit
A sewing machine external unit includes: a holder holding fabric; a driver being detachable from a bed of a sewing machine and driving the holder along an upper surface of the bed; a pressing member moving in an up-down direction according to movement of a sewing needle in the up-down direction, pressing the fabric while the sewing needle is stuck in the fabric, and rising together with the sewing needle in response to the sewing needle coming out of the fabric and rising; a position detector detecting a position of the pressing member in the up-down direction; a signal output part outputting a signal to the sewing machine; and a controller outputting a needle drive signal for driving the sewing needle from the signal output part to the sewing machine, and controlling driving of the holder and / or the sewing needle based on a detection result of the position detector.
Owner:JUKI CORP
Combined driving mechanism of bar tacking machine and bar tacking machine
The utility model relates to the technical field of bartacking machines, in particular to a combined driving mechanism of a bartacking machine and the bartacking machine. Comprising a thread sweeping mechanism used for executing a thread sweeping action; the presser foot lifting mechanism is used for executing a presser foot lifting action; the thread trimming mechanism is used for executing a thread trimming action; the driving motor is used for driving the thread sweeping mechanism, the presser foot lifting mechanism and the thread trimming mechanism to work; the thread sweeping mechanism comprises a thread sweeping action assembly, a thread sweeping mechanism and a thread sweeping mechanism, the transmission arm is used for being connected with the driving motor; the thread sweeping connecting rod is used for connecting the thread sweeping action assembly and the transmission arm, so that the driving motor can drive the thread sweeping action assembly to execute the thread sweeping action; the thread sweeping mechanism further comprises an independent driving assembly, and the independent driving assembly can independently drive the thread sweeping mechanism to work.
Owner:ZHEJIANG DUMA SEWING MACHINE
Automatic sewing device and method for sound insulation cotton and hook-and-loop fastener adhesive tape
The invention relates to an automatic sewing device and method for sound insulation cotton and hook-and-loop fastener adhesive tape, the automatic sewing device comprises a feeding mechanism, a material taking mechanism, a material receiving mechanism, a material pressing mechanism, a template machine and a discharging mechanism, the input end of the material taking mechanism is arranged relative to the output end of the feeding mechanism; the output end of the material taking mechanism and the output end of the material receiving mechanism are arranged relative to the input end of the material pressing mechanism, the discharging mechanism is arranged relative to the output end of the material pressing mechanism, and the template machine is arranged relative to the material pressing mechanism. According to the design, the feeding mechanism, the material taking mechanism, the material receiving mechanism, the material pressing mechanism and the discharging mechanism are integrated, full-process automatic operation can be achieved, all the mechanisms work cooperatively, human intervention is reduced, the sewing consistency of sound insulation cotton and hook-and-loop fasteners is effectively improved, and the product quality stability is guaranteed; and meanwhile, each mechanism can realize respective independent operation, so that invalid waiting time is avoided, the procedure connection efficiency is greatly improved, and the efficient mass production requirement is met.
Owner:WUHAN TEXTILE UNIV
Sewing machine, sewing system with such a sewing machine and method for operating a sewing machine
A sewing machine has a throat plate (3a) and a material hold-down foot (13) for performing a lifting movement to hold down the material on the throat plate (3a) during a sewing operation. A driven stroke amplitude adjusting device (17) serves to adjust a stroke amplitude of the lifting movement of the material hold-down foot between a top dead center and a bottom dead center. A driven stroke level adjusting device serves to adjust a stroke level of the lifting movement of the material hold-down foot (13) relative to the throat plate (3a). A control / regulating device (11) is in signal communication with the stroke amplitude adjusting device (17) and with the stroke level adjusting device. Operating methods that are possible with the sewing machine are also specified. The result is a sewing machine with which sewing material of different thicknesses and / or different numbers of layers can be sewn precisely and flexibly.
Owner:DURKOPP ADLER GMBH
Cloth pricking stroke adjusting device of sewing machine and sewing machine
The invention relates to a sewing machine and a cloth pricking stroke adjusting device thereof. The cloth pricking stroke adjusting device comprises a driving mechanism, and an output shaft of the driving mechanism rotates to drive a presser foot lifting cam and an adjusting crank to rotate to a working position; the working positions comprise at least one adjusting position of the presser foot lifting cam and at least one adjusting position of the adjusting crank; the adjusting position of the presser foot lifting cam corresponds to the upper limit position and the lower limit position of the foot lifting module; the adjusting crank is hinged to the adjusting connecting rod, the adjusting position of the adjusting crank corresponds to the target angle of the adjusting crank, and the driving mechanism drives the adjusting crank to swing to the target angle, so that the position of the fixed end of the adjusting connecting rod changes along with the target angle of the adjusting crank. By adjusting the position target of the fixed end of the connecting rod, the target cloth puncturing stroke is correspondingly adjusted, the cloth puncturing stroke adjusting device is applied to the sewing machine, and the sewing machine with the cloth puncturing stroke adjusting function is obtained.
Owner:JACK SEWING MASCH CO LTD
Top fly machine
The utility model discloses a top fly machine, which relates to the technical field of sewing machines and comprises a workbench provided with a top fly processing area for placing cloth. The sewing mechanism comprises a machine head and an X-direction driving assembly, and the X-direction driving assembly is used for driving the machine head to slide in the X direction; the cutting mechanism is arranged above the front fly machining area and comprises a first cutting driving assembly, a second cutting driving assembly, a linear cutting knife and an angle knife, the first cutting driving assembly is used for driving the linear cutting knife to vertically ascend and descend, and the second cutting driving assembly is used for driving the angle knife to vertically ascend and descend; the presser foot mechanism can be pressed down above the cloth in the front fly processing area to drag the cloth to walk in the Y direction. According to the utility model, a single sewing needle can be adopted to sew on cloth according to a U-shaped track, the cost of a machine head is reduced, a Y-shaped kerf can be processed, and the production requirement is met.
Owner:NINGBO CHINKI SEWING MACHINE TECH CO LTD
Container bag sling sewing machine
The utility model discloses a flexible freight bag sling sewing machine, and relates to the field of flexible freight bag processing, in particular to a flexible freight bag sling sewing machine which comprises a sewing machine body, the body is provided with a U-shaped supporting plate, the supporting plate is provided with a positioning strip used for supporting a flexible freight bag sling, the positioning strip is internally provided with a movable cavity, and the movable cavity is internally provided with a clamping groove. According to the flexible freight bag sewing machine, the problems that when an existing flexible freight bag sewing machine is used for sewing the hanging belts, the fixing effect on the hanging belts is poor, the hanging belts are prone to deformation, sewing lines can move, use of the flexible freight bags can be affected, and the safety of the flexible freight bags is affected are solved. Moreover, the widths of different suspenders are different, and the required positions of suture lines are also different.
Owner:CHANGZHOU HUIDE PACKAGING MATERIALS LTD
Presser foot lifting control method of sewing machine and sewing machine
The invention relates to a presser foot lifting control method of a sewing machine and the sewing machine, and the presser foot lifting control method of the sewing machine comprises the following steps: receiving a voltage value of an electronic pedal; when the sewing machine is in the first state, determining a target presser foot lifting mode and a preset presser foot lifting height according to sewing requirements; the first state comprises a sewing state; according to the voltage value and the target presser foot lifting mode, the target presser foot lifting height of the presser foot is determined; the target presser foot lifting height is smaller than or equal to the preset presser foot height. By means of the presser foot lifting device, the situation that the presser foot is collided with the machine needle in the sewing process is avoided, and meanwhile the sewing efficiency is improved by combining automatic control over the height of the presser foot lifting device.
Owner:ZHEJIANG JACK SMART SEWING TECHNOLOGY CO LTD
Height calibration method of lifting presser foot, electronic device and storage medium
The application relates to a height calibration method of a lifting presser foot, an electronic device and a storage medium. The height calibration method of the lifting presser foot comprises the following steps: controlling a driving member to run to a preset initial position; controlling the driving member to rotate clockwise by a first preset angle, so that the lifting presser foot runs to a first height; controlling the driving member to rotate counterclockwise by a second preset angle, so that the lifting presser foot runs to a second height; subtracting the first height from the second height to obtain a height difference; and adjusting the rotation angle of the driving member, so that the height difference is within a preset height difference range. Through the application, the problem of different heights of lifting presser feet in the related art is solved, and the heights of the lifting presser feet are consistent.
Owner:JACK SEWING MASCH CO LTD
Lower thread cutting device of flat interlocking seam sewing machine
The invention provides a lower thread cutting device of a flat chain seam sewing machine. According to the utility model, the problem that the operator is difficult to understand and inconvenient due to the difference that whether the tension applied to the thread by the thread trapper can be released or not by operating the pedal and operating the presser foot lifting rod due to the presence or absence of the lower thread cutting device can be solved. The lower thread cutting device is provided with a lower thread cutting operation mechanism (5) which enables the thread loosening mechanism (4) and the lower thread cutting mechanism (3) to operate, and a presser foot lifting operation mechanism (6) which does not enable the lower thread cutting mechanism (3) to operate and enables the thread loosening mechanism (4) and the presser foot lifting mechanism (2) to operate. Therefore, the force of the thread trapper (11) can be released by operating the pedal plate with a foot regardless of the presence or absence of the off-line cutting device.
Owner:PEGASUS SEWING MASCH MFG CO LTD +1
Sewing machine widening feed presser foot
This utility model relates to the field of sewing machine presser foot technology, and discloses a widened feed presser foot for sewing machines. It includes a presser foot body with an adjustment groove inside. A guide foot is fixedly connected to one side of the presser foot body, and an adjustment assembly is provided inside the presser foot body. The adjustment assembly includes an extension rod, which is slidably connected inside the adjustment groove. An extension foot is fixedly connected to one side of the extension rod, and a fastening bolt is threaded inside the extension rod. A butterfly knob is fixedly connected to the top of the fastening bolt. In this utility model, the extension foot is adjusted and limited within the adjustment groove via the extension rod. After the extension foot is adjusted to the correct position, the fastening bolt is simply rotated using the butterfly knob, causing the fastening bolt to screw into the extension rod and abut against the presser foot body. This achieves the effect of easily adjusting the width of the presser foot, solving the problems of narrow presser feet easily causing fabric shifting, uneven feed due to vibration, difficulty in aligning with the fabric, and a small force-bearing area, thus improving the practicality of the presser foot.
Owner:东莞市顺琦手袋实业有限公司
Vibration cutter device for template sewing machine
The utility model relates to the technical field of knitting, and provides a vibration cutter device for a template sewing machine, which comprises a controller, a mounting plate connected with a machine head body on a frame of the template sewing machine, a cutter mechanism, a lifting mechanism, a presser foot mechanism, a first driving mechanism and a cloth feeding mechanism, the vibrating cutter is arranged in the first rotating seat in a penetrating mode, a cutter of the vibrating cutter can penetrate out of the bottom of the first rotating seat and penetrate through a groove in the middle of a presser foot of the presser foot mechanism to cut cloth on a template sewing machine workbench, and the cloth feeding mechanism comprises a second fixing seat, a second rotating seat, a rotating shaft, a first cloth feeding wheel, a second cloth feeding wheel and a second driving mechanism. The first cloth feeding wheel and the second cloth feeding wheel penetrate out of the top face of the second rotating base and are located on the two sides of the cutter groove respectively, and the first cloth feeding wheel and the second cloth feeding wheel are located under the presser foot and matched with the presser foot to clamp and convey cloth. The cutting knife of the template sewing machine solves the problems that when a cutting knife of an existing template sewing machine is used for cutting cloth, wrinkles are prone to being generated, and the cutting precision is poor.
Owner:NINGBO ZHIXIU TECH CO LTD
Synchronous gear ring cloth feeding mechanism facilitating cloth positioning
The synchronous gear ring cloth feeding mechanism facilitating cloth positioning comprises a presser foot support, a motor, a positioning plate, a gear ring and a gear, a limiting guide rail is arranged at the bottom of the presser foot support, the gear ring is embedded in the limiting guide rail, the motor is fixed on one side of the presser foot support, an output shaft of the motor is connected with the gear, and the gear is meshed with the gear ring. A presser foot plate extends out of the front end of the presser foot support, the positioning plate is arranged on one side of the presser foot plate, the positioning plate is inserted on the presser foot support and comprises a pressing plate and a positioning block, the positioning block is located on the outer side of the pressing plate, and the thickness of the positioning block is larger than that of the pressing plate. The cloth is driven by the gear ring to move forwards, so that displacement of the upper layer and the lower layer of the cloth due to no driving force is avoided; meanwhile, a positioning plate is arranged on the outer side of the presser foot plate to position and limit the outer side of the cloth, so that the track of a sewing needle is always parallel to the outer edge of the cloth, skewing of a sewing thread is avoided, and the sewing effect is guaranteed; and the positioning plate can be replaced, so that the device can be conveniently used under sewing thread widths of different specifications.
Owner:吴庆波
Cleat shrinking folder
The utility model belongs to the technical field of sewing, and particularly discloses a pleat shrinking folder which comprises a folder body and a presser foot assembly connected with the folder body, the presser foot assembly is connected with the connecting position of a machine needle portion of a sewing machine, and the folder body comprises a bottom plate and a limiting assembly arranged on the bottom plate. The limiting assembly comprises a feeding channel and a blocking part, and a machine needle of the machine needle part is arranged between the limiting assembly and the presser foot assembly. When the folder provided by the utility model is used, the shrinkage fold is formed by sewing, the sewing shrinkage fold and the cutting piece can be synchronously finished, only one sewing process is needed, the time efficiency is improved, and the abrasion of light and thin cloth can be avoided.
Owner:GUANGZHOU XIYIN INT IMPORT & EXPORT CO LTD
Double-concealed-thread sewing presser foot
The double-concealed-thread sewing presser foot comprises a presser foot handle and a presser foot plate, a first needle falling area and a second needle falling area are arranged on the presser foot plate, a rope penetrating area is further arranged on the presser foot plate and located between the first needle falling area and the second needle falling area, and the rope penetrating area is connected with the first needle falling area and the second needle falling area to form a material wrapping penetrating hole. The inlet of the core rope is formed between the two needle falling areas, so that the core rope can be wrapped by the wrapping material in advance and double hemming is performed for sewing, the core rope is prevented from being deformed, and the sewn edge wrapping strip is rounder and has a stereoscopic impression.
Owner:杨涛
Feeding upper pulling machine
The utility model provides a feeding upper pulling machine, including: casing, needle bar mechanism, presser foot mechanism and feeding mechanism, the inside of casing is provided with rotatable main shaft to drive needle bar mechanism to do reciprocating motion, the presser foot mechanism is provided with presser foot drive source and can independently rotate presser foot wheel, in addition, the feeding mechanism is installed in the casing, and the feeding mechanism is installed in the casing. The feeding device comprises a driving shaft, a feeding shaft, a feeding driving source, a feeding wheel and a steering assembly, the driving shaft is transversely connected to the feeding driving source, the feeding shaft is longitudinally installed on the machine shell, the feeding driving source drives the driving shaft to transversely rotate, and the steering assembly drives the feeding wheel to rotate. The steering assembly can convert transverse rotation into longitudinal rotation so as to drive the feeding shaft and the feeding wheel to synchronously and longitudinally rotate, so that the needle bar mechanism, the presser foot mechanism and the feeding mechanism can independently operate, and then an internal mechanism of a conventional upper pulling machine can be effectively replaced; therefore, the space configuration of the needle rod mechanism and the feeding mechanism in the machine shell can be improved.
Owner:CHEE SIANG IND CO LTD +1
Sewing equipment for short braid of safety belt
The invention discloses safety belt short braid sewing equipment, and relates to the technical field of automobile safety belt sewing. A long braid clamping mechanism, a short braid material shifting mechanism, a short braid suction mechanism, a short braid shaping and transplanting mechanism, a short braid clamping mechanism, a short braid folding mechanism, a long and short braid pressing mechanism and a long and short braid sewing mechanism are sequentially installed on the upper surface of the rack. A sewing part of the long and short braid sewing mechanism is located above the short braid folding mechanism and the long and short braid pressing mechanism, and the long braid clamping mechanism is located on one side of the long and short braid sewing mechanism. The short braid shaping and transplanting mechanism and the short braid clamping mechanism are located on the other side, away from the long braid clamping mechanism, of the long and short braid sewing mechanism, and the sewing machine has the advantages of being high in sewing precision and yield, improving the sewing production capacity and further saving the labor cost.
Owner:KUNSHAN WEI YU TAI FENG PRECISION MASCH CO LTD
Presser device for covering chain stitch sewing machine
To provide a presser device for a covering chain stitch sewing machine which solves the problem in which, compared with conventional ones, the seam pitches apparently change due to the change of the thickness of a fabric and this damages beautiful appearance.SOLUTION: A presser device 13 includes a presser mechanism 2, and a pressing pressure conversion mechanism 4. The presser mechanism 2 includes a presser bar 21, a presser bar holder 24 for holding the presser bar 21, and an upper side spring 27. The pressing pressure conversion mechanism 4 includes a pressing pressure conversion crank 41 whose two action ends are arranged between the upper side spring 27 and the presser bar holder 24, and which oscillates. Therefore, even when the thickness of a fabric changes during sewing, the change in a frictional force generating between the upper surface of the fabric and the bottom surface of the presser can be suppressed, the amount of feeding the fabric is stabilized, and the seam pitches can be made apparently uniform, so that beautiful appearance can be maintained.SELECTED DRAWING: Figure 2
Owner:PEGASUS SEWING MASCH MFG CO LTD
Sewing machine
A sewing machine includes a needle bar, a needle plate formed with a needle hole, a presser bar, a sewing machine motor, a presser motor, and a controller. The controller is configured to perform a first-stitch operation of, at start or restart of sewing, driving the sewing machine motor to move the needle bar from a lower needle position to an upper needle position, and then driving the presser motor to move the presser bar from a lowered position to a normal position. The controller is configured to perform a second-stitch operation of, based on a detection result of movement of a sewing workpiece placed on the needle plate, driving the sewing machine motor to move the needle bar in the upper-lower direction in a state where the presser bar is located at the normal position.
Owner:BROTHER KOGYO KK
Positioning mechanism of sewing machine
The utility model discloses a positioning mechanism of a sewing machine, which comprises a platform, a sewing module fixedly connected to the top of the platform, and cloth placed on the top of the platform and waiting for sewing of the sewing module, connecting blocks are fixedly connected to two sides of the back of the platform, and pressing plates are movably connected to the inner sides of the connecting blocks through pin shafts. The side, away from the connecting block, of the pressing plate extends to the top of the platform and makes contact with the surface of the cloth, and the surface of the pressing plate is hollowed out. Through the integrated design of the platform, the sewing module, the cloth, the connecting block, the pressing plate and other components, accurate positioning and fixing of the cloth are achieved, the pressing plate can swing according to needs and release or fix the cloth due to the movable connection design of the pressing plate, and therefore the positioning requirement in the sewing process is met, and in addition, the sewing efficiency is improved. The hollowed-out design of the surface of the pressing plate allows stitches of the sewing module to penetrate through the cloth for sewing, and the stitches are not hindered by the pressing plate.
Owner:XINJIANG KAILU YAYUN CLOTHING DESIGN CO LTD
Thread loosening and presser foot lifting mechanism of sewing machine and sewing machine
This invention relates to the field of sewing machine technology, and discloses a thread-releasing and presser foot lifting mechanism for a sewing machine and a sewing machine. The mechanism includes a thread-releasing assembly for opening the thread clamp and a presser foot lifting assembly. The thread-releasing assembly includes a top plate rotatable around a pivot and a thread-releasing pin. The top plate is driven to rotate around the pivot by the presser foot lifting assembly, thereby causing the thread-releasing pin to open the thread clamp and perform a thread-releasing action. The presser foot assembly includes a presser foot rod and a presser foot. The presser foot lifting assembly includes an adjusting block fixedly mounted on the presser foot rod and a manual presser foot lifting component. A toggle block is provided on the rear side of the adjusting block. The presser foot assembly also includes an adjusting component for adjusting the presser foot lifting height and pressure. By using the top plate and the thread-releasing pin, when the presser foot is lifted by the presser foot lifting assembly, it is driven to rotate around the pivot, thereby causing the thread-releasing pin to open the thread clamp and perform a thread-releasing action. This ensures that the thread clamp automatically completes the thread-releasing action during the presser foot lifting process, thus simplifying the structure and improving working accuracy.
Owner:ZHEJIANG NANYUAN SEWING EQUIPMENT CO LTD
Pressing device of quilting machine
The invention provides a material pressing device of a quilting machine, and relates to the technical field of quilting machines, the material pressing device comprises a sewing mechanism, an adjusting mechanism is mounted on the sewing mechanism, a positioning mechanism is mounted on the adjusting mechanism, the adjusting mechanism drives the positioning mechanism to adjust according to the width of a workpiece, the positioning mechanism is mounted in the sewing mechanism, and the positioning mechanism is mounted on the sewing mechanism. According to the technical scheme, the driving motor drives the driven gear and one threaded rod to rotate through the driving gear, the two threaded rods can be driven to rotate synchronously through the chain wheel and the chain, the matched gear at one end of each threaded rod is connected to the inner toothed plate in a meshed mode, and then the mounting support can be pushed to descend along the side limiting metal plate; the mounting bracket drives the upper pressing plate through the upper bracket to fix a workpiece in the side supporting plate, and meanwhile, the movable supporting plate can be driven to horizontally move along the threaded rod through the threaded rod to move to the other end of the workpiece so as to realize adjustment according to the length of the workpiece.
Owner:JIANGSU ZHENGHE INTELLIGENT MFG CO LTD
Button clamp device of button sewing machine and button sewing machine
The utility model provides a button clamp device of a button sewing machine and the button sewing machine, and belongs to the technical field of sewing equipment. The button clamp device comprises a mounting plate, a first presser foot and a second presser foot, the inner end of the first presser foot and the inner end of the second presser foot are hinged to the mounting plate, and the mounting plate is further provided with an adjusting plate which can move along the mounting plate and enable the first presser foot and the second presser foot to be close to each other or away from each other. Elastic connecting rods are arranged below the outer ends of the first presser foot and the second presser foot respectively, the outer end of one connecting rod extends to the position below the outer end of the first presser foot, and the outer end of the other connecting rod extends to the position below the outer end of the second presser foot. The connecting rods below the first presser foot and the second presser foot of the button clamp device can deform in a self-adaptive mode according to the left cloth and the right cloth of different heights, elastic pressing is carried out, and adaptability is good.
Owner:BULLMER ELECTROMECHANICAL TECH
Intelligent presser foot structure capable of being controlled individually up and down
This utility model discloses an intelligent presser foot structure that can be independently controlled up and down, including a shaft extending horizontally through the housing and a bushing extending vertically through the housing. A drive motor is installed inside the housing, and the output shaft of the drive motor is connected to a main gear column. A driven gear column is connected to the rear end of the shaft, and the main gear column and the driven gear column mesh. The drive motor is signal-connected to a controller, which controls the reciprocating rotation amplitude of the drive motor output shaft after receiving control commands. The bushing extends out of the housing and is connected to the presser foot. A lifting rod is connected to the front end of the shaft, and a bushing block is connected to the bushing. A transmission arm is provided between the lifting rod and the bushing block. The presser foot is driven by the drive motor, and the cooperation between the presser foot and the sewing needle can be arbitrarily adjusted. When dealing with fabrics of different thicknesses, the reciprocating rotation amplitude of the drive motor output shaft can be adjusted according to the thickness gradient, thereby adjusting the height of the presser foot. This effectively solves the problem of presser foot height cooperation, reduces the frequency of skipped stitches and thread breakage during sewing, and improves sewing quality.
Owner:KUNSHAN NEW HUAMEI SEWING TECH CO LTD