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425results about How to "Improve sewing efficiency" patented technology

Device and method for detecting amount of bottom thread of sewing machine

The invention provides a device for detecting the amount of bottom thread of a sewing machine. The sewing machine comprises a bottom plate, a rotating shuttle and an electronic control module, wherein the rotating shuttle comprises a shuttle shell and a shuttle core; the shuttle core comprises a winding post and two flanges; at least one flange in the two flanges is provided with a first surface part and a second surface part on the outer surface; a light hole is formed on the outer wall of the shuttle shell; the first surface part or the second surface part is exposed outside from the light hole; the sewing machine also comprises a sensor fixed in the bottom plate; the sensor comprises a transmitter used for transmitting light, and a receiver used for receiving light; the receiver and the transmitter of the sensor just face to the first surface part or the second surface part exposed outside from the light hole, and the light reflection capabilities of the first surface part and the second surface part are different from each other; the sensor is connected with a signal processing module; the signal processing module is connected with the electronic control module. The device for detecting the amount of the bottom thread of the sewing machine is capable of timely detecting whether the bottom thread is used up or not in real time.
Owner:JACK SEWING MASCH CO LTD

Sewing machine needle distance regulating mechanism

InactiveCN101168888AEasily convert between each otherEasy to operateNeedle barsEngineeringBiomedical engineering
The invention discloses a needle distance adjusting mechanism of a sewing machine, which comprises a needle distance adjusting device, a needle distance adjusting swinging rod, a back sewing crank, and a back sewing table. The needle distance adjusting device has two groups, namely, a large needle distance adjusting device and a small needle distance adjusting device, wherein, the large needle distance adjusting device consists of a large needle distance adjusting threaded rod, a needle distance index disc positioning plate, a needle distance index disc, and a large needle distance index disc panel; the small needle distance adjusting device consists of a small needle distance adjusting threaded rod, a needle distance index disc positioning plate, a needle distance index disc, and a small needle distance index disc panel; the needle distance adjusting swinging rod is driven by a back sewing full needle cylinder and respectively contacted with the large needle distance adjusting threaded rod and the small needle distance adjusting threaded rod. Through the driving of the back sewing full needle cylinder, the product of the invention easily realizes the mutual conversion between the large needle distance adjusting device and the small needle distance adjusting device, and has the advantages that the operation is simple, the sewing efficiency is improved, etc.
Owner:SHANGHAI HUIGONG NO 3 SEWING MACHINE FACTORY CHINA TYPICAL SEWING MACHINE

Bottom wire detection control system and method based on optical fiber sensor and applied to industrial sewing machine

The invention provides a bottom wire detection control system based on an optical fiber sensor and applied to an industrial sewing machine. The system comprises an electric control module, a rotating shuttle and a motor. The rotating shuttle comprises a shuttle case and a shuttle core. The shuttle core comprises a winding post and flanges arranged at the two ends of the winding post. A reflective sheet is fixed to the outer circumferential face of the winding post, and bottom wires are wound around the winding post. The optical fiber sensor is fixed to a shuttle support. The shuttle case is provided with an optical fiber emitter inlet and a gap, wherein the optical fiber emitter inlet and the gap are communicated with each other. The optical fiber sensor is connected with the electric control module through a signal conditioning control circuit. The electric control module is also connected with the motor through an output circuit. The bottom wire detection control system applied to the industrial sewing machine can judge whether the shuttle core is not installed in the shuttle case and whether the bottom wires on the shuttle core are enough according to optical signals of reflected light detected by the optical fiber sensor; meanwhile, the optical fiber sensor is adopted as a detection element, so that the system is high in sensitivity, higher and more reliable in detection performance and higher in anti-electromagnetic-interference capability.
Owner:BULLMER ELECTROMECHANICAL TECH

Automatic shuttle replacement device and method and sewing machine

The invention provides an automatic shuttle replacement device for replacing a first shuttle with the insufficient allowance of threads and a first shuttle case. The automatic shuttle replacement device comprises a main board, a shuttle case limiting shaft, a shuttle grabbing mechanism, a shuttle remaining thread removal mechanism, a shuttle winding and threading mechanism and a thread cutting mechanism, wherein the shuttle case limiting shaft is sleeved with a second shuttle wound by threads sufficiently and a second shuttle case; the shuttle grabbing mechanism comprises a hook claw base, a shuttle grabbing driving source and a shuttle grabbing hook claw, the shuttle grabbing hook claw is used for hooking a shuttle case plate on the first shuttle case or the second shuttle case; the shuttle remaining thread removal mechanism comprises a fixing shaft, a driving wheel unit and a driven wheel unit which are installed on the main board, and a thread clamping space; the shuttle and windingthreading mechanism comprises a winding shaft and a clamping base, a clamping interval and an interval inlet are formed in the clamping base; the cutting mechanism comprises a thread cutting edge arranged on the clamping base. The second shuttle wound by threads sufficiently and the second shuttle case can be replaced in a rotating shuttle, and automatic remaining thread removal, winding, threading and cutting can be performed on the replaced first shuttle and the second shuttle case, so that the automatic degree is quite high, and then the sewing efficiency is greatly improved.
Owner:JACK SEWING MASCH CO LTD

Precise positioning system of industrial sewing machine and working method of precise positioning system

The invention discloses a precise positioning system of an industrial sewing machine and a working method of the precise positioning system and relates to a positioning system of a sewing machine and a working method of the positioning system. The general phenomena of low stop precision, reversal, shaking, poor stability and the like are caused by a reason that the conventional industrial normal sewing machine positioning method generally adopts an adjustment system with a closed-loop position. The precise positioning system is characterized in that a controller comprises a quick reverse-dragging braking module, a speed adjustment module, a torque feedforward module and a three-phase short-circuit controllable stopping module. According to the technical scheme provided by the invention, the quick reverse-dragging braking module is adopted to enable a servo motor to be deaccelerated quickly, and the speed adjustment module is used for stabilizing the speed within a range; when the sewing machine starts to be positioned near to a trimming point, the sudden load change is maximum, and the torque feedforward module supplies a forward dragging torque in advance to counteract the sudden load change during trimming; when a head of the sewing machine is positioned near to a needle stopping point, the three-phase short-circuit controllable stopping module brakes a three-phase short circuit, so that the problems of inaccurate needle stopping and needle stopping shake, which are caused by reverse-dragging braking, can be solved.
Owner:WOLONG ELECTRIC GRP CO LTD

Automatic sewing mechanism and automatic sewing method

The invention discloses an automatic sewing mechanism and an automatic sewing method. The automatic sewing mechanism comprises a machine table, a control device, a material grabbing device, a detecting device, a material moving device and a sewing device. A working tabletop is arranged on the machine table. The material grabbing device is arranged on the machine table. A control mechanism is connected to the material grabbing device and used for controlling the material grabbing device to grab cut parts and to send the cut parts onto the working tabletop. A detecting part of the detecting device is arranged on the machine table and located above the machine table. The control device is connected to the detecting part and used for controlling the detecting part to obtain the selvage positions of the cut parts of the working tabletop. The control device generates the movement track of the cut parts according to the obtained selvage positions. The material moving device is arranged on the machine table. The control device is connected to the material moving device and used for controlling the material moving device to press the cut parts and controlling a material driving device to drive the cut parts to move according to the movement track. The sewing device is arranged on the machine table and controlled to sew the cut parts. By means of the automatic sewing mechanism, time and labor are saved, and production efficiency is high.
Owner:GUANGDONG ESQUEL TEXTILES CO LTD +1

Multilayer carbon cloth stitching device

The invention discloses a multilayer carbon cloth stitching device which comprises an acupuncture mechanism for conducting pre-acupuncture and stitching and needling, a latching mechanism, a horizontal workbench for clamping carbon cloth and a control system. A main shaft of the acupuncture mechanism is driven by a stepper motor and drives two eccentric wheels to rotate, the eccentric wheels drive a connection rod, the connection rod is connected with needle rods, one of the needle rods is a pre-acupuncture needle rod, the other one is a needling needle rod, and the two needle rods conduct reciprocating movement under the drive of the stepper motor; a main camshaft of the latching mechanism is connected with the stepper motor, the main camshaft is provided with two cams, and the main camshaft drives a bearded needle on a subsidiary camshaft to conduct reciprocating swing and axial reciprocating movement and conducts synchronous rotation with the acupuncture mechanism; the workbench is composed of an X-direction moving platform and a Y-direction moving platform, and the stepper motor is arranged on the workbench so as to achieve movement of a cloth containing supporting plate. By means of the pre-acupuncture, friction generated when carbon yarn penetrates through the carbon cloth is reduced, damage to the carbon yarn is lowered, and stitching of the multilayer carbon cloth is achieved.
Owner:TIANJIN POLYTECHNIC UNIV

Needle rod clutching mechanism of sewing machine and double-needle machine

The invention provides a needle rod clutching mechanism of a sewing machine and a double-needle machine and belongs to the technical field of double-needle machines, aiming at solving the problems of an existing needle rod clutching mechanism of the sewing machine that the separation and resetting stability of a needle rod is poor and the needle rod clutching mechanism easily has faults. The needle rod clutching mechanism of the sewing machine comprises a sliding shaft, wherein one end of the sliding shaft is connected with a separation assembly and the other end of the sliding shaft is connected with a resetting assembly; the separation assembly comprises a rotary shaft, a wrench and a supporting plate assembly mounted on a machine head; the wrench is provided with a pulling sheet and a limiting column; a detection assembly is arranged between the supporting plate assembly and the wrench; the detection assembly is used for detecting leftward and rightward swinging of the wrench, generating left and right separation signals and sending the signals to electric control of the sewing machine; the supporting plate assembly is fixedly provided with a driver which is in electric control connection with the sewing machine. The clutching mechanism has the advantages of simple and beautiful structure, convenience for operation, automatic resetting and good separation and resetting stability.
Owner:JACK SEWING MASCH CO LTD

Industrial sewing machine and sewing method

The invention relates to an industrial textile processing machine, in particular to an industrial sewing machine and a sewing method. The industrial sewing machine comprises an industrial sewing machine body which is provided with a handpiece. The handpiece is connected with a frame needle through a needle rod. A presser foot matched with the frame needle is arranged at the lower end of the handpiece. The industrial sewing machine further comprises an input unit, a control unit and a drive unit. The drive unit is connected with the control unit and an execution unit and used for receiving and amplifying a control signal and outputting the control signal to the execution unit matched with the drive unit for execution. Compared with the prior art, the industrial sewing machine has the advantages that the modular unitization structure is adopted, all units are internally independent and respectively systematic, the degree of integration is high, the structure is simple, errors are not likely to occur in the sewing process by adoption of the automatic sewing method, sewing is attractive, the sewing efficiency of the industrial textile processing machine is improved due to the high rotation speed of a spindle, and by adoption of a touch screen display device, operation is convenient.
Owner:SHANGHAI POWERMAX TECH INC

Full-automatic multi-decoration strip sewing equipment

The invention discloses a full-automatic multi-decoration strip sewing equipment, which comprises a frame, a multi-needle sewing machine and a control panel, wherein the control panel is provided witha man-machine interaction interface for displaying the equipment state and controlling the equipment. The multi-needle sewing machine is fixedly arranged on the left part of the frame. The equipmentis characterized by also comprising a decorative strip feeding device, a feeding device and a shearing device. A pull cylinder is arranged on the multi-needle sewing machine. The decorative strip feeding device is arranged on the frame and above the multi-needle sewing machine. The decorative strip feeding device is used for making the decorative strip to be sewed to be in a relaxed state to enterthe pulling cylinder of the needle sewing machine to roll the edge. The feeding device is arranged on the frame, and the feeding direction of the feeding device is arranged along the left and right direction. The feeding device is used for feeding the cloth to needle sewing machine to be sewed with the decorative strips with rolled edges, and feeding the cloth sewn with the decorative strips outof the multi-needle sewing machine. The shearing device is used for cutting off the corresponding decorative strips after the sewing is finished.
Owner:CHANGZHOU ZHIGU ELECTROMECHANICAL TECH CO LTD

Bottom line detection correlation type photoelectric control system for sewing machine and control method

The invention provides a bottom line detection correlation type photoelectric control system for a sewing machine. The system comprises an electric control module, a rotating shuttle and a motor, wherein the rotating shuttle comprises a shuttle casing and a shuttle core, the system further comprises an infrared transmitting tube and an infrared receiving tube, an infrared inlet and an infrared outlet are formed in the shuttle casing, and a through hole is formed in a wrapping post of the shuttle core; when the shuttle core is not in the casing, the infrared inlet and the infrared outlet are communicated; when the quantity of bottom lines with which the wrapping post of the shuttle core is wounded is not enough, the through hole is exposed, and the infrared inlet and the infrared outlet are communicated through the through hole; the electric control module is connected with the infrared transmitting tube and the infrared receiving tube through a signal conditioning and controlling circuit and connected with the motor through an output circuit. In the control system, the electric control module can judge if the shuttle core is missing or the quantity of the bottom lines on the shuttle core is not enough according to the intensity of a signal output to the signal conditioning and controlling circuit by the infrared receiving tube, and accordingly sewing efficiency and quality are improved.
Owner:BULLMER ELECTROMECHANICAL TECH

3D (three-dimensional) sewing machine

The invention relates to a 3D (three-dimensional) sewing machine, which comprises a machine needle, a rotating shuttle, a transmission device and a driving device, wherein the driving device respectively and synchronously drives the machine needle and the rotating shuttle through the transmission device, the rotating shuttle is arranged in a work table, the work table is in a cylindrical shape or a circular arc shape, positioning blocks matched with the cylindrical or arc-shaped work table are arranged on the cylindrical or circular arc-shaped work table and are connected with a positioning block driving device, the positioning block driving device is arranged on an annular screw rod connected with the work table and comprises a first driving device, a second driving device and a controller, the first driving device enables the positioning blocks to horizontally move, the second driving device moves along the annular lead screw, and the controller coordinates the work of the first driving device and the second driving device. Because the structure of the work table is in the cylindrical shape or the circular arc shape, the work table can more perfectly adapt to 3D objects to be sewed. The defect that a plane work table cannot sew 3D or irregular-shaped objects can be overcome, the sewing efficiency is improved, the cost is reduced, and meanwhile, the quality of sewed products maintains the consistency.
Owner:贺传均

Surgical suture fixing box for operating room nursing

The invention discloses a surgical suture fixing box for operating room nursing. The fixing box comprises a base and a shell; a partition plate is vertically fixed in the shell; the partition plate divides the interior of the shell into a left cavity and a right cavity from left to right; a winding roller and a pay-off reel are sequentially fixed to the right cavity from right to left; one end ofa first fixing shaft horizontally extends out of the side wall of the shell and is fixedly provided with a first gear and a first belt wheel; the first gear is fixed to a first fixing shaft through aone-way bearing; a second fixing shaft is fixed to the outer side wall of the shell; a second gear matched with the first gear is fixed on the second fixing shaft; a liquid storage tank is fixed on the bottom end face of the left cavity; a third fixing shaft is fixed into the liquid storage tank through a bearing; and the third fixing shaft is sleeved with a wetting roller. The fixing box is reasonable in structure, medical staff can accurately and quickly take out surgical sutures with the required length from the surgical suture fixing box when preparing the surgical sutures, the working efficiency is improved, and the surgical sutures can be wetted when being taken out so as to guaranteed that the surgical sutures are always kept wet in the wound suturing process.
Owner:李荣荣

Bottom thread amount detection device and detection method of sewing machine

The invention provides a device for detecting the amount of bottom thread of a sewing machine. The sewing machine comprises a bottom plate, a rotating shuttle and an electronic control module, wherein the rotating shuttle comprises a shuttle shell and a shuttle core; the shuttle core comprises a winding post and two flanges; at least one flange in the two flanges is provided with a first surface part and a second surface part on the outer surface; a light hole is formed on the outer wall of the shuttle shell; the first surface part or the second surface part is exposed outside from the light hole; the sewing machine also comprises a sensor fixed in the bottom plate; the sensor comprises a transmitter used for transmitting light, and a receiver used for receiving light; the receiver and the transmitter of the sensor just face to the first surface part or the second surface part exposed outside from the light hole, and the light reflection capabilities of the first surface part and the second surface part are different from each other; the sensor is connected with a signal processing module; the signal processing module is connected with the electronic control module. The device for detecting the amount of the bottom thread of the sewing machine is capable of timely detecting whether the bottom thread is used up or not in real time.
Owner:JACK SEWING MASCH CO LTD

Automatic cloth transport apparatus and automatic cloth transport line

The invention relates to the technical field of clothing production and sewing, in particular to an automatic cloth transport apparatus and automatic cloth transport line. The automatic cloth transport apparatus comprises a feeding bedplate for holding cloth, a guide rail arranged parallel to the feeding bedplate and a feeding unit arranged on the guide rail in a sliding manner, wherein the feeding bedplate is arranged opposite to a plurality of sewing workstations which are distributed side by side, the guide rail is arranged at one side, away from the sewing workstation, of the feeding bedplate, and the feeding unit can drive the cloth to move on the feeding bedplate. By adopting the automatic cloth transport apparatus, not only can the cloth of a previous sewing workstation be transported to a next adjacent sewing workstation according to the distribution sequence of the plurality of sewing workstations, but also the cloth at one sewing workstation can be directly transported to any designated sewing workstation, that is, the cross-workstation transportation of cloth can be realized without influencing the work of other sewing workstations, the cloth can be high effectively transported among different sewing workstations, the sewing efficiency is improved, and the manpower cost is decreased.
Owner:JACK SEWING MASCH CO LTD

Driving device for automatically lifting presser foot and trimming thread in sewing machine

The invention provides a driving device for automatically lifting a presser foot and trimming a thread in a sewing machine, and belongs to the technical field of garment manufacturing equipment. The technical problem that an existing driving device for automatically lifting the presser foot and trimming the thread in the sewing machine is unstable in function is solved. The sewing machine comprises a bottom plate, a machine shell, a pressing rod and the presser foot, wherein a guide frame is fixedly arranged on the pressing rod, and a thread trimming assembly is arranged at the bottom of the bottom plate. The driving device comprises a lifting pull rod, a driving part, a left lever and a right lever, wherein a swing crank is connected to an output shaft of the driving part; the lower end of the lifting pull rod is in spherical hinge joint with the outer end of the swing crank through a lower spherical connecting rod; the upper end of the lifting pull rod is in spherical hinge joint with one end of the left lever through an upper spherical connecting rod; the other end of the left lever is connected with one end of the right lever through a lifting connecting rod; the other end of the right lever can abut against the lower side of the guide frame; and the outer end of the swing crank is connected with the thread trimming assembly. The driving device is stable in function, the lifting height of the presser foot can be accurately controlled, and meanwhile the thread trimming function is achieved.
Owner:浙江杰克智能缝制科技有限公司
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