125results about "Sewing-machine casings" patented technology

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.

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.

To provide a vertical feeding sewing machine having good workability.SOLUTION: A vertical feeding sewing machine comprises: a feeding device 30 to feed a sewn object on a needle plate 14 by a feed dog from below the needle plate 14; an upper feeding device 40 to vertically move a presser foot 41 and a feed foot 42 alternately on the needle plate 14 and feed the sewn object on the needle plate 14 by the feed foot 42 from above the needle plate 14; an upper feeding height adjusting mechanism 60 to adjust height of vertical movement of the feed foot 42; and a pedal 96 capable of inputting operation by foot of an operator. The upper feeding height adjusting mechanism 60 raises the height of the vertical movement of the feed foot 42 by operation of the pedal 96.SELECTED DRAWING: Figure 8

The present invention addresses the problem of preventing hitch stitches caused by lower thread factors. A needle plate (19) has a needle hole (19a) and a guide hole (31) that communicates with the needle hole. The guide hole is offset toward a front surface of a sewing machine and is also offset in the rotation direction of a bobbin case from the line of vertical movement of a sewing needle. The needle plate also has a groove part (32) that extends from the guide hole (31) in front of the needle hole in the direction opposite the rotation direction of the bobbin case. The top of the groove part and the portion of the groove part that leads to the guide hole are open, and the remainder of the groove part is a bottom surface and a side wall. During a sewing operation, a lower thread that protrudes from the bobbin case extends upward through the needle hole or the guide hole. Depending on the movement direction of a holder (a frame 5) for an article to be sewed, the lower thread passes through the guide hole and is guided to the front side of the needle hole via the groove part. The bottom surface of the groove part is closed, which prevents an upper thread loop that rises along the lower thread from catching on the groove part.

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.

Robotic sewing device comprising: a sewing head body; an upper arm attachable to the sewing head body and including a sewing needle aligned along a first axis; an engine; and a lower arm rotatably attachable to the sewing head body to be rotatable by the motor about a second axis defined transversely with respect to the first axis, the lower arm comprising: a needle plate; a butterfly gripper; a first drive train extendable through the forearm and configured to maintain a position of the throat plate during forearm rotation; and a second drive train extendable through the forearm and configured to drive the butterfly gripper during forearm rotation.

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 present invention aims to avoid occurrence of a hitch stitch caused by a lower thread. A needle plate (19) has a needle hole (19a) and a guide hole (31) communicating with the needle hole. The guide hole is located near a front side of a sewing machine and positionally deviated from an up-down movement trajectory of a sewing needle in a rotating direction of a rotary hook. Further, the needle plate has a groove (32) formed in front of the needle hole and extending from the guide hole (31) in a direction opposite to the rotating direction of the rotary hook. While the groove is open upward and at its portion leading to the guide hole, the other portions of the groove are defined by a bottom surface and side walls. In a sewing operation, a lower thread moved out of the rotary hook extends upward through the needle hole or the guide hole. Depending on a direction in which a holding member (frame 5) holding a sewing workpiece moves, the lower thread passes through the guide hole to be guided to the front of the needle hole via the groove. Because the groove is closed at the bottom surface, an upper thread loop moving upward along the lower thread can be prevented from getting caught in the groove.

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 relates to the technical field of sewing machines, in particular to an overedger which comprises a needle plate, a needle seat, a needle seat, a needle seat and a needle seat, the cloth feeding mechanism pushes the textiles on the cloth placing surface to move on the plane where the cloth placing surface is located; the machine needle is configured in the mode that the machine needle is located at the needle falling point position, and the axis of the machine needle is perpendicular to the cloth placing face; the curved needle assembly comprises an upper curved needle and a lower curved needle which are located on the upper side and the lower side of the needle plate respectively, and the upper curved needle, the lower curved needle and the machine needle move relative to the needle plate in stitches needing to be formed. The overedger prevents the lateral force from bending or breaking the machine needle, improves the sewing efficiency and the sewing quality, and is particularly suitable for sewing thicker or harder textiles.

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 relates to a needle plate structure convenient to disassemble and assemble of a computerized embroidery machine, which belongs to the technical field of embroidery machines and comprises an installation bottom plate, a needle plate installation groove is arranged on the installation bottom plate, a needle plate inserted with the installation bottom plate is arranged in the needle plate installation groove, a flange table is arranged on the needle plate, and a needle plate is arranged on the flange table. A needle falling hole penetrating through the needle plate is formed in the flange table, edge inserting plates connected with the installation bottom plate in an inserted mode are arranged on the two sides of the rear portion of the needle plate, edge folding pressing plates integrated with the needle plate are arranged on the two sides of the front end of the needle plate, and pressing plate fixing grooves lower than the needle plate installation groove are formed in the two sides of the front end of the installation bottom plate. The device has the characteristics of simple structure, convenience in disassembly and assembly and good operation stability. The needle plate of the embroidery machine can be replaced, disassembled and assembled.

The sewing machine comprises an outer shell and a machine core part, the machine core part is fixedly installed in the outer shell, the outer shell comprises a first half shell, a second half shell and a wrapping shell, the first half shell is fixedly connected with the second half shell, the wrapping shell is fixedly installed on the rear portion of the first half shell and the rear portion of the second half shell, and the wrapping shell is provided with a screw fixing hole. The number of the screw fixing hole is one, the first half shell is provided with a mounting hole, and the mounting hole corresponds to the screw fixing hole. According to the sewing machine convenient to disassemble and assemble, in the installation process, the machine core part is integrally installed on the first half shell, then the second half shell and the wrapping shell are sequentially installed, and then the whole shell is locked and fixed through a screw, so that rapid disassembly and assembly can be achieved, and maintenance is convenient when faults occur in the sewing machine.

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 invention provides an overturning structure of a cylinder type sewing machine, and belongs to the technical field of cylinder type sewing machines. The problem that an existing cylinder type sewing machine is troublesome to debug and maintain is solved. The sewing machine comprises a base and a main body arranged on the base, the turnover structure comprises a dumping plate, the main body and the base are hinged at the back, a long-strip-shaped sliding hole is formed in the dumping plate, at least one limiting wall is arranged on the hole wall of the sliding hole, a sliding pin is fixedly connected to the tail of the main body, and the bottom of the dumping plate is hinged to the tail of the base. The sliding pin penetrates through the sliding hole, when the main body rotates relative to the base, the dumping plate rotates around the hinge point of the dumping plate and the sliding pin moves along the sliding hole, when the sliding pin abuts against the limiting wall, the base pulls the main body through the dumping plate and the sliding pin to enable the main body to incline and be positioned, and when the main body abuts against the base, the dumping plate and the sliding pin move along the sliding hole. And the main body and the base can be fixedly connected through a locking piece. The overturning structure of the barrel type sewing machine has the advantage that the barrel type sewing machine is convenient to debug and maintain.

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.

The utility model relates to the technical field of garment processing equipment, and discloses a flatcar sewing machine for garment processing, which comprises a sewing table, a motor is fixedly connected inside a motor box, a belt is arranged outside a cabin, a hydraulic machine is fixedly connected inside the sewing table, and feed dogs are fixedly connected on the upper surface of a gum. The sewing machine has the following advantages and effects that a worker puts cloth on the upper surface of the cloth placing ring, then the motor is started, the rotating third rotating disc drives the semi-linkage shaft rod to move, the shuttle needle reciprocates up and down through the crank rod, the cloth is sewed, and when the cloth with different thicknesses is sewed, the sewing efficiency is greatly improved. At the moment, the hydraulic machine is started or stopped, the shuttle needle, the cloth and the feed dog are in a three-point one-line mode, then a worker presses the cloth to enable the cloth to move forwards, meanwhile, the shuttle needle sews the cloth, through the operation, the situation that the height of the feed dog is adjusted by manually turning a screw is avoided, and the good cloth sewing effect is achieved.

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.