80results about "Sewing-machine casings" patented technology

The invention discloses an upper thread sewing starting processing device and a sewing machine, and relates to the technical field of sewing machines, a needle plate assembly of the upper thread sewing starting processing device is provided with a needle plate hole, a thread grabbing plate and a thread clamping plate are movably assembled on the needle plate assembly, a thread trimmer is fixedly assembled on the needle plate assembly, the thread grabbing plate is provided with a thread grabbing hole, and the thread clamping plate is provided with a thread clamping head. The driving assembly is connected with the wire grabbing plate and the wire clamping plate and used for controlling the wire grabbing plate and the wire clamping plate to move. Wherein the moving route of the wire grabbing plate is a first route, and the moving route of the wire clamping plate is a second route; when the thread grabbing plate is located at the head end of the first route, the upper thread penetrates through the needle plate hole and the thread grabbing hole, and when the thread grabbing plate moves to the tail end from the head end of the first route, the upper thread is clamped by the thread clamping head and then cut off by the thread trimmer; when the thread clamping plate is located at the tail end of the second line, the thread clamping head loosens the upper thread. According to the upper thread sewing starting processing device, the upper thread can be clamped, cut off and loosened in one-time movement in the sewing starting stage, the movement process is simplified, and the sewing quality is improved.

An apparatus and method for applying stitches to a decorative component having a three dimensional configuration is provided. A head for applying stitches to a decorative component having a three dimensional configuration, including: a needle bar assembly operatively coupled to the head; a looper configured to cooperate with the needle bar assembly in order to provide a plurality of stitches in the decorative component, the looper rotating in a plane parallel to the decorative component; a post assembly configured to drive the looper in a reciprocating fashion in the plane, wherein the post assembly is operatively coupled to a motor configured to drive the needle bar assembly in a reciprocating fashion, the post assembly being operatively coupled to the head via a cylinder arm assembly and a downshaft assembly; and wherein the cylinder arm assembly is rotated in a synchronized manner with a rock frame through mechanical linkage connecting a rock frame drive shaft to the cylinder arm assembly.

A needle hole and a feeding tooth groove are formed in the needle plate, a partition plate is fixedly arranged at the position of a center seam of an upper piece movement track on the needle plate, and the partition plate is arranged at the front end of the needle hole and makes contact with an upper piece earlier than the needle hole. According to the utility model, the metal partition plate is welded at the middle seam position of the upper piece movement track on the needle plate, so that the width of a butt seam is ensured to be within a process requirement range, when the butt seam process operation is carried out, the metal partition plate firstly separates the two upper pieces at the front end of the needle falling position, and then sewing is carried out, so that the phenomenon that the upper pieces are overlapped is avoided, and compared with the prior art, the production efficiency is improved. When the overlap-preventing needle plate of the opposite sewing machine is used for upper piece sewing operation, the working efficiency is improved, and the rework rate is reduced.

The utility model discloses a sewing machine one-driving-two synchronous trolley, which belongs to the technical field of sewing machines and comprises a casing, a driving connecting rod and a stepping motor, the stepping motor is fixedly arranged on one side of the casing and used for driving the driving connecting rod to work, and a first connecting shaft is fixedly arranged at the output end of the stepping motor. A second connecting shaft is transversely and fixedly connected to the connecting end of the driving connecting rod, one end of the second connecting shaft is inserted into the edge of the machine shell to rotate, a guide block is transversely and fixedly arranged on the outer wall of the first connecting shaft, and a notch groove matched with the guide block is transversely formed in the inner wall of the second connecting shaft; the first connecting shaft is aligned with the notch groove through the guide block and is inserted into the second connecting shaft, and the first connecting shaft and the second connecting shaft are fixed through a bolt; when the stepping motor is disassembled, the driving connecting rod does not need to be separated from a shaft connected with the support, the stepping motor can be disassembled, and the stepping motor can be conveniently disassembled and assembled on the machine shell.

The utility model belongs to the technical field of sewing machines, and particularly relates to a straight knife type thread trimming mechanism and a template machine. The straight knife type thread trimming mechanism comprises a machine shell, a first movable knife mechanism and a second movable knife mechanism; the first movable cutter is rotatably arranged on the machine shell by taking the rotating shuttle shaft as the center; the first trimming motor is fixed to the machine shell and used for driving the first movable cutter. The first movable cutter is used for driving the sewing thread to the second movable cutter mechanism; the second movable cutter mechanism is used for being matched with the first movable cutter mechanism to cut off the sewing thread and comprises a second thread cutting motor, a second movable cutter and a guide assembly; the second trimming motor drives the guide assembly to move in the set direction through the crank assembly. The second moving cutter is installed on the guide assembly and has a first position and a second position in the set direction. The first position is closer to the first moving cutter than the second position; when in the first position, the cutting edge of the second movable cutter is matched with the cutting edge of the first movable cutter to execute thread trimming action; at the second position, the cutting edge is separated from the first movable cutter, so that the thread trimming action is efficient and reliable, and maintenance is convenient.

A sewing machine frame includes a pillar frame and an extending frame. The extending frame extends from one end in a longitudinal direction of the pillar frame, in an extending direction orthogonal to the longitudinal direction. The extending frame includes a first extending plate, a second extending plate, and an extending intermediate plate. The first extending plate extends in the extending direction. The second extending plate is separated from the first extending plate in the longitudinal direction. The second extending plate faces the first extending plate and extends in the extending direction. The extending intermediate plate extends in the longitudinal direction and the extending direction. The extending intermediate plate couples the first extending plate and the second extending plate in the longitudinal direction, and the extending intermediate plate has a curved surface.

A sewing machine that suppresses sewing defects is provided. The sewing machine includes: a sewing needle, held by a needle bar and moving back and forth while holding an upper thread; a shuttle, configured to hold a bobbin around which a lower thread is wound and which is housed in a bobbin case, and cooperating with the sewing needle to form a seam; a presser foot member, configured to press a to-be-sewn article at a sewing position directly below the sewing needle; a feeding mechanism, feeding the to-be-sewn article from the sewing position to a first direction; a needle drive portion, provided separately from a belt drive portion to synchronously move the sewing needle and the presser foot component in the first direction; and a control portion, which controls so that the needle drive portion and the belt drive portion operate independently.

The robot sewing assembly comprises a sewing head body, an upper arm, a motor and a lower arm. The upper arm is connectable to the sewing head body and includes a sewing needle oriented along a first axis. The lower arm is rotatably connected to the sewing head body so as to be rotatable about a second axis transversely defined by the motor relative to the first axis. The lower arm comprises a needle plate, a butterfly curved needle, a first transmission system and a second transmission system. The first transmission system may extend through the lower arm and is configured to maintain a position of the needle plate during rotation of the lower arm. The second transmission system may extend through the lower arm and is configured to drive the butterfly curved needle during rotation of the lower arm.

The light-weight adjustable sewing machine shell assembly comprises a main body frame made of a light-weight material, and a honeycomb structure is integrated in the main body frame; and the adjustable bracket is mounted at the bottom of the main body frame, comprises a frame body, a screw rod, a gear set and a locking pin, and is used for realizing height adjustment of the shell. According to the light-weight adjustable sewing machine shell assembly, the shell is made of aluminum alloy or a carbon fiber composite material, the shell is reduced by 40%-50% compared with a traditional cast iron shell by combining a honeycomb-shaped hollow structure, and the portability is remarkably improved; the height adjusting mechanism is simple and easy to maintain, and the service life of the machine shell is greatly prolonged.

The utility model discloses a textile machine needle plate which comprises a needle plate seat, an assembling groove is formed in the needle plate seat, a needle plate installation portion is arranged on the rear section of the assembling groove, a limiting plate installation portion is arranged on the front section of the assembling groove, a needle plate and a limiting plate are detachably installed in the needle plate installation portion and the limiting plate installation portion respectively, and a limiting assembly is arranged in the limiting plate. According to the utility model, the needle plate and the limiting plate are detachably mounted on the needle plate seat, so that the whole needle plate structure does not need to be detached and replaced when the needle plate is damaged and worn and needs to be replaced; the limiting plate can abut against the needle plate firmly, and it is guaranteed that the needle plate does not loosen.

Provided is a sewing device. Mainly solves the problem of insufficient sewing quality caused by height difference between a material clamping plate on a circulating plate and a working surface when a pocket opening machine (pocket patching machine) is used for sewing at present. The lifting boss (4) is provided with an ascending position protruding out of the upper end face of the working table plate and a descending position not protruding out of the upper end face of the working table plate; the boss is correspondingly arranged below the follow-up presser foot; and the through hole (41) is formed in the boss and is opposite to the machine needle. The sewing device is provided with the liftable boss, when the frame body is conveyed in, the boss descends, after the frame body is in place, the boss ascends to be matched with the follow-up presser foot for use, a firm base is provided for a sewing needle, the sewing device is particularly suitable for sewing thick materials or special cloth with high density, and the stability of the sewing process is guaranteed.

The utility model discloses a rotating shuttle upper needle plate position noise reduction structure of a template machine and the template machine in the technical field of sewing machines. The rotating shuttle upper needle plate position noise reduction structure comprises a base, and a rotating shuttle shaft is arranged in the base; the rotating shuttle is arranged in a rotating shuttle cavity in one end of the base, and the rotating shuttle is connected with one end of the rotating shuttle shaft; the table top cover plate is arranged above the base, a mounting hole is formed in the table top cover plate, and the mounting hole is located over the rotating shuttle; the needle plate is arranged in the mounting hole; the annular sealing gasket is arranged on the peripheral side of the needle plate in a sleeving mode, and the annular sealing gasket is clamped between the needle plate and the table top cover plate. Noise at the rotating shuttle can be greatly reduced to be transmitted to a user, the trouble of the noise to the user is effectively reduced, vibration at the needle plate is weakened, the influence of the vibration of the needle plate on sewing is reduced, and the sewing effect is effectively improved.

The utility model discloses a modularized round head buttonholing machine needle plate assembly which comprises a buttonholing machine base, a plate needle assembly is movably installed on one side of the upper end face of the buttonholing machine base through a moving mechanism, the plate needle assembly comprises a fixing base, and a through groove is formed in the upper end face of the fixing base in a penetrating mode. Transverse grooves are formed in the front end face and the rear end face of the inner wall of the through groove correspondingly, a connecting plate is movably installed on the upper end face of each transverse groove through a sliding disassembly mechanism, each sliding disassembly mechanism comprises pressing plates, and the pressing plates are installed on the two sides of the corresponding transverse groove through first strip-shaped grooves; the pressing plates are movably connected with the inner walls of the first strip-shaped grooves through first springs, clamping plates are installed on the opposite sides of every two pressing plates, and two clamping grooves are symmetrically formed in the opposite sides of the outer surfaces of the two connecting plates. The small needle plate can be conveniently and independently replaced, the cost is saved, and time and labor are saved.

The utility model belongs to the technical field of sewing equipment, and particularly relates to a flat plate type sewing machine. Comprising a bottom plate, a connecting plate seat mounting groove is formed in the end, corresponding to the position of a machine needle, of the bottom plate, one end of the connecting plate seat mounting groove is located above a supporting plate, provided with a rotating shuttle shaft, of the bottom plate, a connecting plate seat is arranged in the connecting plate seat mounting groove and connected with the bottom plate through a fastener, and a needle plate mounting groove is formed in the connecting plate seat. The needle plate is mounted in the needle plate mounting groove through a fastener; one end of the connecting plate seat is mounted on the bottom plate, and the supporting plate and the bottom plate are of an integrated structure, so that breakage is avoided. And the needle plate is arranged on the connecting plate seat, so that the problem can be solved only by replacing the connecting plate seat even if the connecting part of the needle plate and the connecting plate seat is broken, the replacement is convenient, only the fastener needs to be disassembled, the problem that the whole machine is scrapped is avoided, the use cost of a machine using enterprise is reduced, and the service life of the machine is prolonged.

The utility model discloses a rotating high column machine which comprises a bottom plate and further comprises a gear ring installed on the outer wall of the top of the bottom plate, a rotating seat is installed on the outer wall of the top of the bottom plate, a connecting plate is installed on the outer wall of one side of the rotating seat, a stand column is fixed to one end of the outer wall of the top of the connecting plate, and a containing plate is fixed to the outer wall of the top of the stand column. And a mounting opening is formed in the outer wall of one side of the placement plate. The bottom plate can be mounted on a sewing machine, articles such as bags and suitcases can be sleeved at one end of the placement plate for sewing, the handle can be held to hook the traction assembly with fingers, the limiting assembly is pulled upwards through the traction assembly, so that the bottom of the limiting assembly is separated from the gear ring, the stand column can be rotated at the moment, and after rotation is completed, the stand column can be driven to rotate. When the hand loosens the handle, the fingers are separated from the traction assembly, the limiting assembly automatically resets and descends to be clamped on the gear ring at the moment, the stand column is fixed, manual rotation is achieved, the automatic fixing function is achieved, use is convenient, and cost is low.

The utility model discloses a middle presser foot structure and a sewing machine, relates to the technical field of sewing machines, and aims to solve the problem that the existing sewing machine is easy to leak down during sewing, the middle presser foot structure comprises a middle presser foot which is movably arranged on an upper machine head, and the middle presser foot is in a bowl shape; the bottom of the middle presser foot is sequentially provided with a needle passing hole and a cloth pressing cavity from top to bottom, the needle passing hole and the cloth pressing cavity are coaxially arranged and communicated with each other, the diameter of the cloth pressing cavity is larger than that of the needle passing hole, a needle hole plate matched with the cloth pressing cavity is arranged under the middle presser foot, and the cloth pressing cavity is matched with the needle hole plate. Cloth and down feather (wrapped in sewing cloth) are pressed during sewing, the down feather is prevented from being brought out of the sewing cloth by a machine needle and a sewing thread, and down feather leakage is avoided.

The present invention addresses the problem of detecting, by means of a simplified structure, the amount of bobbin thread remaining in a vertical rotary hook housed in a cylindrical bed (cylinder bed). The cylinder bed (1) extends forward from a sewing machine body and houses a vertical rotary hook (5) in a tip section. An operation part (12) has a detection piece (12a), is disposed in the vicinity of the vertical rotary hook (5) in the cylinder bed (1), and causes the detection piece (12a) to enter and exit the vertical rotary hook (5). A drive part (11) for driving the operation part (12) is provided on the side of the sewing machine body part, and a transmission part (13) for transmitting a driving motion of the drive part (11) to the operation part (12) is provided inside the cylinder bed (1). The amount of bobbin thread remaining in the bobbin thread bobbin (22) is detected on the basis of causing the detection piece (12a) to enter the vertical rotary hook according to the driving motion of the drive part. The transmission part (13) is composed of a rotary shaft extending into the cylinder bed (1), and pivots the detection piece (12a).

The utility model provides a connecting structure of a needle plate and a cushion block and a sewing machine, and belongs to the technical field of sewing equipment. The connecting structure comprises a needle plate, a first cushion block and a second cushion block, one end and the other end of the needle plate are fixed to the first cushion block and the second cushion block respectively, and a coating is arranged at the joint of the first cushion block and the needle plate or / and a coating is arranged at the joint of the second cushion block and the needle plate. According to the connecting structure, the coating is arranged at the contact position of the cushion block and the needle plate, so that parts are in full and tight contact, the contact area between the two parts is increased, the connecting stability is well improved, the vibration amplitude is reduced, and noise is reduced.

A sewing machine includes a projector configured to project a projection image onto a projection area above a bed. The projector is arranged on a portion of an arm and includes a first lens, and a light source emitting light guided to the first lens. When a direction orthogonal to the extending direction and the up-down direction and toward a presser bar from a needle bar is defined as a forward feed direction, and a direction opposite the forward feed direction is defined as a reverse feed direction, the light source is arranged in the forward feed direction or the reverse feed direction with respect to the first lens, and a length of the projection area in a short direction of the bed is longer than a length of the projection area in a longitudinal direction of the bed.

An overlock table assembly for use with a sewing machine having a needle plate. The overlock table assembly includes a guard positioned adjacent the needle plate and a table including a fabric feeding surface, at least a portion of the fabric feeding surface of the table being positioned on a front side of the guard.

The utility model discloses a sewing machine rack structure which comprises a rack body which is integrally formed by aluminum alloy materials. The sewing machine rack structure has the advantages that the sewing machine rack structure is reasonable in structure, the rack body made of aluminum alloy materials achieves the effect of light weight of the materials, machining efficiency is improved, corrosion resistance is improved, the assembly period is shortened, vibration noise is reduced, the overall weight is reduced, transportation cost is reduced, production cost is reduced, and the sewing machine rack structure is suitable for popularization and application. The use effect is good and popularization is facilitated.

The utility model relates to a needle plate seat and a sewing machine. The needle plate seat comprises an overhanging main body, the needle plate extends out of the overhanging end part of the main body; a mounting space is formed below the needle plate and outside the end part of the main body; and the cover body is arranged in the mounting space and is detachably or movably connected with the needle plate seat. In the utility model, the cover body covers the internal component, the needle plate and the main body are positioned on the two side surfaces of the internal component, and the cover body is positioned on the other side surfaces of the internal component. When the cover body is opened, most of the side surfaces of the internal component can be opened, so that the exposed area of the internal component is expanded, the operation space is expanded, and the operation related to the internal component can be easily completed.

To adjust the shape of a seam.SOLUTION: A frame including a bed portion having an upper surface, a cylinder portion protruding from the bed portion to one side in a first direction of a predetermined plane parallel to the upper surface and having a smaller dimension than the bed portion in a second direction orthogonal to the first direction on the predetermined plane, a body portion extending upward from the bed portion in a third direction orthogonal to the predetermined plane, an arm portion extending from an upper end portion of the body portion to the one side in the first direction, and a head portion protruding downward from the arm portion; The sewing machine includes a needle bar that reciprocates in the third direction while holding a sewing machine needle that holds an upper thread, a pressing member that presses a sewing object disposed at a sewing position directly below the sewing machine needle, an annular first lower feed belt that is disposed on one side of the sewing position in the first direction and moves so as to feed the sewing object in the second direction, and an annular second lower feed belt that is disposed on the other side of the sewing position and moves so as to feed the sewing object in the second direction independently of the first lower feed belt. The first lower feed belt and the second lower feed belt are disposed in the internal space of the cylinder portion.SELECTED DRAWING: Figure 3

The utility model relates to the technical field of garment processing, in particular to a buttonholing machine for garment processing, which comprises a workbench, a through hole, a buttonholing machine main body and a supporting mechanism, the top end of the workbench is slidably connected with a positioning assembly. A cover plate is hinged to the top end of the workbench and close to the edge of the through opening. The supporting mechanism is adjustably arranged between the workbench and the protection box and used for supporting the bottom end of the buttonholing machine body. The protection box is arranged at the bottom end of the workbench, and the cover plate is arranged at the top end of the workbench, so that the buttonholing machine body can rotate downwards along the workbench to be stored in the protection box for protection, damage caused by external force is avoided, and the service life is prolonged; and through the arrangement of the supporting mechanism, the bottom end of the buttonholing machine body can be stably supported conveniently, the buttonholing machine body and the positioning assembly can be matched to conduct buttonholing work conveniently, and the working efficiency is further improved.

To provide a thread-cutting driving mechanism of a tube embroidery machine.SOLUTION: On a needle plate base, there are provided: a stationary knife; and a thread-cutting movable knife including a movable knife wheel rotatably connected to the needle plate base. A driving shaft for driving the movable knife wheel is arranged on a shuttle box, and the driving shaft is driven in conjunction by a driving motor and a transmission structure. Thereby, the movable knife wheel is rotated, and in conjunction with this, the thread-cutting movable knife is rotated around a rotary shuttle and cooperates with the stationary knife to cut a thread. By rotating the movable knife wheel through the driving shaft instead of a swing rod, the movable knife is driven in conjunction so as to be rotated and cuts the thread. As a result, a space occupied by a driving mechanism for driving a thread-cutting mechanism as a whole is reduced, transmission is stabilized, and thread-cutting reliability is improved.SELECTED DRAWING: Figure 3

The invention discloses a sewing thread self-adaptive adjusting device and method based on image sensing, and aims to solve the problems of thread supply and demand imbalance, sewing product wrinkling and the like caused by non-uniform cloth thickness of existing sewing equipment. The device comprises an image acquisition module integrated on a needle plate of the sewing machine, a data processing and control module embedded with a microprocessor, and a thread trapper controlled by an electric signal, the two-dimensional moving distance and speed of the cloth are calculated in real time through an image displacement algorithm, a PWM driving instruction is generated to control the opening degree of a thread trapper, and millisecond-level closed-loop synchronization of sewing thread supply and cloth consumption is achieved. According to the invention, dynamic accurate control is realized, the device is adaptive to a complex sewing process, the production efficiency is improved, non-contact detection is reliable, and the device is suitable for the fields of garment sewing and textile fabric processing.

The utility model provides a sewing machine casing, which comprises a main body and a support, the main body is fixed on the support, a placing groove is arranged on the support, a placing seat is rotatably connected in the placing groove, a support rod is fixedly connected on the placing seat, the placing seat and the support rod are coaxially arranged, and the main body is fixed on the support. A mounting hole is formed in the supporting rod in the axial direction of the supporting rod, a pressing rod is slidably connected into the mounting hole, sliding holes communicated with the mounting hole are formed in the side wall of the supporting rod, the multiple sliding holes are evenly distributed along the axis of the supporting rod, abutting rods are slidably connected into the sliding holes, rubber pads are fixedly connected to the abutting rods, and the rubber pads are fixedly connected to the supporting rod. The rubber pad abuts against the inner wall of the bobbin, the pressing rod moves in the direction away from the support, the abutting rod is made to move in the direction close to the bobbin through the elastic structure, and the purpose of replacing the bobbin conveniently is achieved.

The utility model discloses a roll collar structure of krag, including krag machine still including the needle plate and presser foot connected with krag machine, the needle plate is located the top of presser foot, the needle plate has the pull cylinder installation mouth, the presser foot has the pull cylinder avoidance mouth, just the pull cylinder avoidance mouth with pull cylinder installation mouth opposite setting, wherein, the pull cylinder avoidance mouth's one side wall has the guide slope. The utility model is when the presser foot will the piece of clothing lightly press to the presser plate, and the pull cylinder of krag machine is located the pull cylinder installation mouth, and the piece of clothing is lifted up by the pull cylinder avoidance mouth, when the pull cylinder rotates, utilizes the friction between the pull cylinder and the piece of clothing to drive the piece of clothing to move steadily forward, and, setting the guide slope on the one side of pull cylinder avoidance mouth, is used for guiding the piece of clothing to go forward, can effectively avoid the piece of clothing to appear the wrinkle phenomenon when moving forward, improves the flatness of collar finished product, and further improves the aesthetic degree.

The invention relates to a machine (M) for sewing, embroidering or quilting, comprising: a needle bar which is arranged above a needle plate (SP) and can be moved up and down and to which a needle (N) is fastened; a gripper system which is arranged below the needle plate (SP) and can be moved back and forth and to which a gripper is fastened; a presser foot (NF) which is arranged above the needle plate (SP) and by means of which a portion of a textile structure can be pressed against the needle plate (SP), wherein the needle plate (SP) has at least one opening or hole (A0) for the passing of the needle (N) through the needle plate (SP) downward and back, and wherein the needle plate (SP) can be stationarily mounted on a needle plate receiving region (AB) of the machine (M). According to the invention, a) at least one sub-region (TSP) of the needle plate (SP) is magnetic and one sub-region (TAB) of the needle plate receiving region (AB) corresponding to the sub-region (TSP) of the needle plate (SP) is magnetic or magnetizable; and / or b) at least one sub-region (TAB) of the needle plate receiving region (AB) is magnetic and one sub-region (TSP) of the needle plate (SP) corresponding to the sub-region (TAB) of the needle plate receiving region (AB) is magnetic or magnetizable.

This invention belongs to the field of down jacket anti-feather leakage technology, and discloses a device for reinforcing and securing the seams of down jackets to prevent feather leakage. The device includes a work platform with a sewing machine head installed in the center. A needle is installed at the end of the sewing machine head. Through the coordination of structures such as a down-pressing plate, a fabric-pressing plate, a pusher block, and a needle plate, the device facilitates precise positioning and sewing of the filled down jacket fabric. During positioning, the sewn edges of the fabric are aligned with the pusher block. Then, the down-pressing plate is inserted between the two layers of fabric to press in the down filling. The upper fabric is held by the fabric-pressing plate, and the lower fabric is pressed against the base plate by a clamping plate. Both ends are pressed tightly by the needle plate to prevent displacement. The pusher block is pushed at a uniform speed according to the sewing speed. At this time, the entire fabric moves forward with the base plate, and the down filling is continuously and evenly pressed inward by the down-pressing plate, facilitating overlock sewing and ensuring no down is trapped at the seam, thus reinforcing the seams.