21 results about "Sewing machine" patented technology

Described herein is a device for picking up a tubular knitted article (M) from a cylinder (5) of a circular knitting machine (3) and for closing the toe of said article. The device comprises a sewing machine for sewing the toe of the tubular article and a suction pipe (13) which develops from an intake end (13A), in an area where the tubular article is picked up from the circular knitting machine, to an output end (13B), in an area where the toe of the article is sewn. Also provided is a guide element (15) for guiding the tubular article, said guide element developing inside said suction pipe and extending inside the cylinder of the circular knitting machine. Between the guide element (15) and the inner wall of the suction pipe (13) there remains a space for transit of the tubular article.

The invention discloses a computerized cushion sewing machine which comprises a fixed base, a sliding base, a gantry framework and a plurality of synchronous belts. The gantry framework is arranged on the bases in a crossing manner, an upper hollow long arm and a lower hollow long arm are slidably arranged on the fixed base, sliding directions of the long arms are perpendicular to the sliding direction of the sliding base, a spindle is accommodated in each long arm, spring centering components are arranged among the long arms and the spindles, and the spindles can be in synchronous transmission under the action of the synchronous belts. The computerized cushion sewing machine is compact and novel in structure and stable and reliable in performance, the consistency and the stability of a transmission shaft are effectively guaranteed, the computerized cushion sewing machine is convenient to install, noise is obviously reduced, and the sewing quality is obviously improved.

A spool creel for fixing a plurality of spools for a sewing machine comprises a supporting plate and a plurality of spool pins, wherein the spool pins are installed on the lower surface of the supporting plate; a buckling device is installed on each spool pin. The upper surface of the supporting plate is fixed on a support above a worktable of the sewing machine. The buckling device comprises a plurality of elastic rings matched with the spool pins, and a plurality of elastic sheets are arranged on the outer surfaces of the elastic rings. The elastic rings are in sliding fit with the spool pins. The number of the spool pins installed on the supporting plate of the spool creel can be set as required, and the spools with all possibly used colors are arranged above, so that the spools are conveniently taken for use; the spool creel adopts a way of combining the downward spool pins and the buckling devices, so that the spools can be firmly fixed and thread ends can be conveniently pulled out for use; the spool creel fixes the supporting plate on the support above the worktable of the sewing machine, and an original way of putting a box beside is replaced, so that the space is saved, the thread replacing time is saved, and the working efficiency is improved.

The invention provides jacket processing equipment comprising a first guide assembly, a second guide assembly, a first guide bottom plate and a second guide bottom plate, wherein the first guide assembly and the second guide assembly are M-shaped, the first guide assembly is fixed on the first guide bottom plate, an opening of the first guide assembly is far away from the first guide bottom plate, the first guide bottom plate is fixed on a sewing machine, the second guide assembly is fixed on the second guide bottom plate, an opening of the second guide assembly is far away from the second guide bottom plate, and the first guide bottom and the second guide bottom plate are separated. The jacket processing equipment is simple in structure and short in processing period, can quickly sew sleeves at different levels and can greatly improve the working efficiency and increase the percent of pass of jackets.

The invention discloses an automatic hemmer for a sewing machine. The automatic hemmer comprises an initial section, a transition section and a forming section which are sequentially linked and provided with baffles on two sides, wherein the initial section is rectangular and is greater than or equal to a material which is not hemmed in width, the transition section is trapezoid, the width of the transition section is gradually decreased to the predetermined width of the hemmed material in the advancing direction material guide, the forming section is rectangular, and the width of the forming section is greater than or equal to the width of the hemmed material. The automatic hemmer can completely and automatically hem a fabric according to a required shape when a hem is sewn, then conveys the fabric to the sewing machine for sewing, improves the working efficiency and meanwhile improves the product quality.

The invention provides an overlock machine and belongs to the technical field of sewing machines. The overlock machine solves the problem that existingoverlock machines are poor in universality. The overlock machine includes a main body and a worktop, the left end of the main body is provided with a needle-plate base, the top of the needle-plate base is provided with a needle plate, the worktop is hinged to the main body, the left end of the needle-plate base is hinged to an end cover, when the worktop rotates around a hinge joint and enables the worktop to attach to the main body and the needle plate to form a large sewing table, the end cover is located below the worktop and fixedly connected to the worktop in a detachable mode, and when the worktop rotates around a hinge joint and enables the worktop to be separated from the main body and the needle plate, the end cover is overturned and fixedly connected with the needle-pate base in a detachable mode, so that the end cover and the needle plate form a small sewing table. The overlock machine has the advantage of being good in universality.

A head unit fixed sewing machine is provided, which includes a table, support posts, an upper beam, a head unit and a bed unit. An object is placed on the table. The support posts are provided on opposite sides of the table. The upper beam connects the support posts to each other and is coupled to upper ends of the support posts. The head unit is fastened to the upper beam and has a head-unit-rotating means for rotating a sewing head within a predetermined range. The bed unit is provided below the head unit and has a bed-unit-rotating means for rotating a sewing bed within a predetermined range. Because the head unit and the bed unit can be rotated while sewing, the orientation of a sewn thread can be maintained constant. Hence, a perfect stitch can be realized over the entirety of the object.

The invention relates to the technical field of footwear processing, in particular to a sewing machine device for footwear processing and with an edge distance deviation preventing structure. The sewing machine device comprises a sewing machine device main body, a driving mechanism is arranged at the bottom end of the sewing machine device main body, a feeding mechanism is arranged on the surface of the driving mechanism, the feeding mechanism comprises a belt pulley, the surface of the driving mechanism is connected with a transmission shaft through the belt pulley, and the surface of the transmission shaft is engaged with the surface of a driving wheel. According to the sewing machine device, conveying rollers and a collecting frame are arranged, through rotation of the conveying rollers, after footwear materials are processed, the footwear materials can be placed on the surfaces of the conveying rollers, therefore the processed footwear materials can be collected in the collecting frame, the situation that after the footwear materials are processed, workers need to collect the footwear materials can be avoided, the operation steps of the workers are reduced, and meanwhile, the labor intensity of the workers can be reduced, so that the processing efficiency of the footwear materials can be effectively improved.

The invention provides a thread hooking suspension rotating shuttle, and particularly relates to the technical field of sewing machine manufacturing. Comprising a rotating shuttle fixing seat and a suspended shuttle peg, and a free slide wire gap is formed between the suspended shuttle peg and the rotating shuttle fixing seat. Preferably, an anti-slip-out baffle is further included, the suspended shuttle peg is provided with a slide wire inclined face and a slide wire plane, a slide wire gap is formed between the inner arc face of the rotating shuttle fixing base and the slide wire inclined face in a relative mode, and a slide wire gap is formed between the slide wire plane and the anti-slip-out baffle in a relative mode. The thread hooking suspension rotating shuttle has the advantages that lubricating oil is not needed, contact and abrasion are avoided, the service life is long, a complex change gear set does not need to be matched, the performance of the whole sewing machine is improved, the manufacturing cost of the sewing machine is reduced, and the thread hooking suspension rotating shuttle has the advantages that the design and manufacturing thinking of a traditional sewing machine is subverted; and the popularization value is high.

The invention particularly relates to a liftable mechanism applicable to a sewing machine, and is used for adjusting the height of a sewing machine support frame. The liftable mechanism comprises twolifting transmission units and a transmission element for connecting the two lifting transmission units, wherein the two lifting transmission units are respectively arranged inside two sides of the sewing machine support frame; each lifting transmission unit comprises at least two lifting units and at least one transmission unit arranged between the lifting units; each lifting unit comprises a first steering mechanism and a lifting mechanism; the first steering mechanism drives the lifting mechanism to do lifting motion; each transmission unit comprises a fixing part and a second steering mechanism arranged inside the fixing part; the transmission element is arranged between the two opposite second steering mechanisms so as to connect the two lifting transmission units; and the steering mechanisms and the second steering mechanisms are connected through connecting rod elements. The liftable mechanism has the advantages that a sewing machine body can be effectively supported for liftingoperation, and the installation is convenient.

The invention provides a transmission shaft support structure of a sewing machine, and belongs to the technical field of sewing machines. The technical problem that the transmission shaft support structure of an existing sewing machine hardly guarantees a condition that the precision of a mounting position can meet a coaxiality demand of a lower shaft at a time is solved. The transmission shaft support structure of the sewing machine comprises a rack and a transmission shaft extending along a front-back direction, two ends of the transmission shaft are rotatably connected to the rack, the rackis provided with a supporting surface, a support frame capable of sliding left and right along the supporting surface and locking is arranged on the supporting surface, an upward extending adjustingsurface is arranged on the support frame, a supporting block capable of slipping up and down along the adjusting surface and locking is arranged on the supporting surface, a through hole penetrating through a front-back direction is arranged in the supporting block, the transmission shaft coaxially penetrates through the through hole, and a peripheral surface of the transmission shaft is rotatablymatched with an inner sidewall of the through hole. With the transmission shaft support structure, the processing precision of the supporting surface is relatively low.

The invention discloses a full-automatic template sewing machine for sewing down and feather filled products. The sewing machine mainly comprises sewing machine heads, a machine frame, a negative pressure bedplate, a template and movable X-direction and Y-direction driving mechanisms. The negative pressure bedplate is used for improving the sewing strength of the down and feather filled products, and the X-direction and Y-direction driving mechanisms are installed on the bedplate. The negative pressure bedplate for improving the sewing strength of the down and feather filled products is located in the middle of the machine frame, and small air guiding holes are evenly distributed in the upper portion of the bedplate. An air guiding opening is formed in the lower portion of the bedplate and communicated with all the small air guiding holes of the bedplate. A connecting air tube is connected with the air guiding opening and a negative pressure fan, and an air-resisting film assembly is installed on the bedplate. On the basis of characteristics of the clothes template, a complex process is simplified, efficiency is improved, the reject ratio of quality is decreased, and the degree of dependence on high-skilled personnel is decreased. Negative air pressure generated by the negative pressure fan is adopted for drawing off air inside the down and feather filled products, so that threads for sewing the down and feather filled products and the down and feather filled products are stressed in a balanced mode, and intersected oddments will not be generated.

The invention discloses a sewing machine provided with a flexible shaft. The sewing machine provided with the flexible shaft comprises a sewing machine head provided with a knitting mechanism and a spindle motor for driving the knitting mechanism of the sewing machine head to move, wherein the spindle motor is connected with the knitting mechanism and drives the knitting mechanism of the sewing machine head to move through the flexible transmission shaft; a machine head support is arranged on the sewing machine head; the sewing machine head is connected with an outer displacing device for driving the sewing machine head to move through the machine head support. The sewing machine head has a moving function through the flexible transmission shaft arranged on the sewing machine and can be accurately controlled to move to the designated position for knitting work through the outer displacing device, the knitting position is flexible and changeable, various types of complex knitting or knitting with the relatively large displacement is completed, the application range of the sewing machine is greatly expanded, and the sewing machine provided with the flexible shaft is simple in structure, low in manufacturing cost and convenient to use, occupies small space and has the very good application prospect.