49results about How to "Improve embroidery quality" patented technology

The invention discloses a cloth feeding mechanism of an embroidery machine. The cloth feeding mechanism comprises a front cloth clamping roller set, a rear cloth clamping roller set, a left chain transmission mechanism and a right chain transmission mechanism, wherein the front cloth clamping roller set and the rear cloth clamping roller set are arranged in front of and at back of a machine head respectively; the left chain transmission mechanism and the right chain transmission mechanism are arranged on the left side and the right side of the machine head respectively; the left chain transmission mechanism comprises a first driven chain wheel, a first driving chain wheel and a first chain, the first driving chain wheel is driven by a first motor to rotate, the first motor is fixedly mounted on a vertical plate which is parallel with the first chain and spaced with the first chain by a certain distance, the first driven chain wheel is rotationally mounted on the vertical plate, and the vertical plate is driven by a linear drive device to move horizontally; the right chain transmission mechanism comprises a second driven chain wheel, a second driving chain wheel and a second chain, the second driving chain wheel is driven by a second motor to rotate, the second driven chain wheel is rotationally mounted on a rack of the embroidery machine, and a plurality of insertion needles are mounted on the outside of each chain link of the first chain and the second chain. The cloth feeding mechanism of the embroidery machine guarantees the flatness of cloth between the front cloth clamping roller set and the rear cloth clamping roller set, and the embroidery quality is improved.

The invention provides a magnetic cloth clamp device of a computer embroidery machine with the advantages of simple and reasonable structure and convinient operation, which improves the embroidery quality, and is particularly applicable to high elastic materiel, such as knitted materiel, sweater materiel and the like. The device comprises a framework; the framework is provided with an embroidery frame; a top frame is arranged on the embroidery frame; a plurality of magnetic blocks are arranged in the top frame; a bottom frame which can be magnetically absorbed is arranged at the lower part of the top frame; and the top end of the bottom frame is hinged with the top end of the top frame through a hinge. The cloth clamp device for embroidery mainly comprises the top frame, the bottom frame, upper magnetic blocks, the hinge and frame fixing blocks; the magnetic blocks installed in the top frame are adopted to ensure that embroidery cloth is arranged between the top frame and the bottom frame and the surfaces of the top frame and the bottom frame are absorbed together, thus the embroidery cloth is clamped between the top frame and the bottom frame, the cloth can not be pulled without tensile force applied in advance, and cloth marks and embroidery effect can not be affected, therefore, the device is particularly applicable to high elastic materiel, such as knitted materiel, sweater materiel and the like.

The invention discloses an embroidery machine trimming method, and belongs to the technical field of embroidery machines. The embroidery machine trimming method is applied to a control end of an embroidery machine and comprises the following steps that step S10, a machine needle is controlled to drop, and an upper thread end is brought to a position below a needle plate; S20, after the upper thread end is brought to the position below the needle plate, a thread trimming movable knife is controlled to hook the upper thread end to move towards the thread trimming fixed knife until the thread trimming movable knife and the thread trimming fixed knife are stopped from being limited when not closed, at the moment, the hooked upper thread is limited to a bottom thread retainer below the thread trimming movable knife; S30, the machine needle is controlled to lower to complete embroidery of at least one stitch; and S40, the thread trimming movable knife is controlled to move from the stop limit to the thread trimming fixed knife, and the upper thread end is cut off when the thread trimming movable knife and the thread trimming fixed knife are closed. Thread ends below the cloth cover can be prevented from being messy and different in lengths, and the problems that thread disengaging and breaking happen due to the fact that stitches are too loose, bottom threads are prone to struggling off are solved.

The invention provides an independent presser foot control mechanism of an embroidery machine, aiming at solving the existing technical problem. The independent presser foot control mechanism comprises a machine head seat, wherein a driving mechanism is arranged on the machine head seat and connected with a presser foot driving seat through a connecting rod transmission structure; the presser foot driving seat movably sleeves a presser foot driving rod which is fixedly connected with the machine head seat; one end of the presser foot driving seat is connected with a presser foot needle bar which can synchronously move along the presser foot driving seat when the presser foot driving seat moves up and down along the axial direction of the presser foot driving rod; a presser foot is connected onto the presser foot needle bar; and a needle bar assembly which is movably arranged relative to the presser foot driving seat and does not interfere the presser foot driving seat when the presser foot driving seat moves up and down is connected to the peripheral outer side of the presser foot driving seat through a rod body positioning structure. The independent presser foot control mechanism disclosed by the invention has the advantages of adjustable initial height of the presser foot, low spindle load and the like.

The invention discloses an embroidered material clamping frame system applied to multi-layer embroidery. The embroidered material clamping frame system comprises an embroidery frame, and further comprises an auxiliary clamping part and a tensioning assembly; an embroidery frame inner side clamping face is arranged on the embroidery frame; a front side embroidered material clamping face and a rearside embroidered material clamping rung are arranged on the auxiliary clamping part, the front side embroidered material clamping face is used for tightly fitting the embroidery frame inner side clamping face to clamp an embroidered material, and the rear side embroidered material clamping rung is used for cooperating with an embroidered material clamp to clamp the embroidered material; the embroidery frame and the cooperating auxiliary clamping part correspond to the tensioning assembly, and the auxiliary clamping part is pulled by the tensioning assembly to the embroidery frame until the auxiliary clamping part is tightly attached and fixed to the embroidery frame. The embroidered material clamping frame system is simple in structure and convenient to use, can well complete single-layeror multi-layer embroidery, is simple and convenient to disassemble and assemble and effortless, lowers the operation difficulty of workers, has good tautness and stationarity, cannot rub and damage the embroidered material, has a good positioning effect, improves the operation efficiency of the workers and the quality of obtained embroidery products, and is extremely worthy of application and promotion in the field.

The invention discloses a thread trimming device and thread trimming method of an embroidery machine, and belongs to the technical field of embroidery machines. The device comprises a movable cutter, a fixed cutter and a movable cutter driving mechanism; the movable cutter is mounted on a cutter bar of the movable cutter driving mechanism; a through hole is formed in the rear side of a fixed cutter edge of the fixed cutter; an embroidery thread retaining structure is arranged between the movable cutter and the fixed cutter and comprises an embroidery thread retaining body which at least partially acts on the upper surface of the movable cutter, and the acting part is located on the front side of a movable cutter edge; the front end of the embroidery thread retaining body extends in an upward trend to form the free end of the embroidery thread retaining structure, and the free end extends into the through hole; the embroidery thread retaining structure is used for binding the end of a bottom thread and/or an upper thread between the acting part and the movable cutter before thread trimming; and the movable cutter driving mechanism drives the movable cutter to move towards the fixed cutter, the movable cutter forks out the bottom thread and the upper thread to be cut during movement and continues to move towards the fixed cutter, and until the movable cutter coincides with the fixed cutter, the bottom thread and the upper thread are cut off. The method is realized based on the device. According to the invention, the thread end of the upper thread is prevented from being brought into a rotating shuttle to form a new stitch so as to affect the embroidery quality.

The invention discloses a high-precision embroidery machine combining Z-axis movement with a Y axis, which consists of a cross beam on a frame and a frame arranged below the cross beam. A machine head mounting plate and a shuttle box body mounting plate on the cross beam are respectively provided with an upper shaft and a lower shaft; a machine head is mounted on the upper shaft of the machine head mounting plate; a shuttle box body component is mounted on the lower shaft of the shuttle box body mounting plate; a linear guide rail and an upper and lower shaft conjoining box body are further arranged at the end part of the cross beam; the machine head and the shuttle box body component are respectively formed into a whole by the machine head mounting plate and the shuttle box body mounting plate through the upper and lower shaft conjoining box body; the upper and lower shaft conjoining box body is connected with a ball screw and a servo motor; the left-right movement, namely the X-direction movement is achieved by the servo motor through the ball screw and the linear guide rail; and synchronously, the servo motor drives the upper shaft and the lower shaft to rotate through the ball screw and the upper and lower shaft conjoining box body, so as to drive the machine head and the shuttle box body component to carry out the Z-axis movement. The front-rear movement, namely the Y-direction movement of the frame is achieved by a Y driving motor through driving a synchronous belt and a sliding block. The high-precision embroidery machine combining the Z-axis movement with the Y axis is applicable to embroidery machines.

An embroidery machine head suitable for high-speed embroidery comprises a machine shell and a needle bar frame, wherein the needle bar frame is connected to the machine shell in a sliding mode and canslide horizontally, a take-up lever, a needle bar, a presser foot shaft and a presser foot are arranged on the needle bar frame, a main shaft, a needle rod driving mechanism used for driving a needlerod, a presser foot driving mechanism used for driving the presser foot shaft and a take-up driving mechanism used for driving the take-up lever are arranged on the machine shell, and a clutch mechanism, a clutch driving mechanism, an input transmission shaft and an output transmission shaft are further arranged on the machine shell. On the basis of a traditional framework that the main shaft drives a machine head, comprehensive and perfect improvement and adaptation are conducted, so that all the components are organically combined into a whole, the universality and stability are excellent,various embroidery function requirements are met, the embroidery quality is good, and the embroidery machine head is worthy of application and popularization in the field.

The invention discloses a textile embroidery machine for textile processing which is convenient to use, comprising a textile embroidery machine body, the textile embroidery machine body including a textile work embroidery table, the front of the textile work embroidery table is fixedly connected with a fixing frame, the An extension frame is fixedly connected to the top of the fixing frame, a compression rod is fixedly connected to the bottom of the extension frame, and a compression plate is fixedly connected to the bottom of the compression rod. The present invention provides shock-absorbing support for the textile embroidery machine body by arranging a shock-absorbing support seat, thereby ensuring the stability of the textile embroidery machine body, thereby facilitating the embroidery operation of the textile embroidery machine body, improving the embroidery quality, and providing compression by setting a compression rod. force, so that the pressing plate can press the embroidery cloth placed on the textile work embroidery table, which is convenient for the embroidery equipment to carry out embroidery processing, and achieves the advantage of convenient use, thus effectively solving the inconvenient use of the existing textile embroidery machines. Problems with textile embroidery operations.

The invention discloses a conveying device of a tufting embroidering machine. The device comprises a conveying part for conveying base blanket cloth to the lower part of the tufting embroidering machine for embroidering, a positioning part which is positioned below the tufting embroidering machine and is used for fixing and tensioning the base blanket cloth, and a collecting part for collecting the embroidered blanket cloth, wherein a discharging end of the conveying part and a feeding end of the collecting part are correspondingly provided with positioning mechanisms for fixing and releasingthe base blanket cloth; correcting mechanisms for correcting skewed base blanket cloth are arranged below the positioning mechanisms. According to the device, the conveying part, the positioning partand the collecting part are matched to realize automatic conveying of the tufting embroidering machine, so that the tufting embroidering efficiency is improved; a plurality of sets of positioning mechanisms are matched to effectively limit the degree of freedom, to be limited during tufting embroidering, of the base blanket cloth, so that the coaxiality in tufting embroidering can be greatly controlled, and the stability of surface tension of the base blanket cloth can also be greatly controlled; and the two sets of correcting mechanisms are matched to correct the skewed base blanket cloth, sothat the embroidering quality is improved.

An embroidered material clamping frame system for dual-layer embroidery comprises an embroidery frame and an auxiliary frame. A lower layer embroidered material clamping part is arranged on the embroidery frame. An upper layer embroidered material clamping part is arranged on the auxiliary frame. The embroidered material clamping frame system further comprises at least one lifting assembly for driving the auxiliary frame to rise or fall in the vertical direction. The embroidered material clamping frame system is simple in structure and convenient to use; the auxiliary frame is directly controlled by the lifting assembly to rise or fall vertically, the laying of a lower layer embroidered material and the clamping and force executing of the lower layer embroidered material are facilitated, the embroidered material is not prone to damage, the upper and lower layer embroidered material is not prone to large position deviation, the automation degree is high, the work efficiency is improved, and the quality of the embroidery is improved.

The invention discloses a novel wire clamping device wire pressing mechanism. The wire pressing mechanism comprises a wire pressing device seat and is characterized by further comprising a control device, a wire clamping structure and an adjusting device connected with the control device. The wire pressing mechanism can overcome the defects in the prior art, and is simple in structure, safe to use, balanced and uniform in stress, capable of improving the efficiency and beneficial to improving the embroidery quality.

The invention discloses a novel cloth clamping device for a computer embroidery machine. The device comprises a base board and two chain wheels mounted on the base board; a middle partition board is arranged between the two chain wheels, two small chain wheels are arranged on a left partition board, and a press plate is arranged above the two small chain wheels correspondingly; and special chains are arranged on the two chain wheels and two small chain wheels provided, and the chain has hollow pin shaft and is provided with an elastic pin structure. The device uses movement track of the chains to drag the cloth to move, in order to reach the purpose of increasing pulling force; when the cloth is pulled into a cloth sliding rail, under the action of the press plate with wedge structure, the needles press a certain distance towards to needle tip direction and prick into the cloth; and in the traction of cloth, the needles drive the chains to move along the chain wheels, and needles prick into the cloth in order from the chain wheel pin shafts. Due to the movement track of the chains, the needles move a certain distance in the X direction along the sliding groove, and pull the cloth in the X direction to a certain distance, so the relaxing cloth will be tightened. The device improves the quality of the embroidery, makes the embroidery stitch surface neat and shows clear stitch seam.

The invention discloses a method and a system for controlling the alternating movement of a central shuttle. The method comprises the following steps of: judging whether the advancing direction of the pattern which is embroidered as the first needle is a positive direction or a negative direction; counterclockwise rotating the central shuttle if the advancing direction is a positive direction; inthe first needle, clockwise rotating the central shuttle for 360 degrees to twist the embroider line and then clockwise rotating the central shuttle for 90 degrees to embroider the second needle according to the condition that the advancing direction of the pattern is positive direction; in the second needle, counterclockwise rotating the central shuttle for 360 degrees to retire the embroider line and then counterclockwise rotating the central shuttle for 90 degrees to finish the chain-type embroidery through the central shuttle alternating movement in the first and the second needles. The invention solves the technical problems of high requirement on mechanical load of a central shuttle motor and great workload of a central shuttle shaft in the traditional method for controlling the double-movement of the central shuttle, thereby achieving the purpose of improving the production efficiency of a computer embroidery machine, the stability of the whole chain type computer embroidery machine and the quality of the embroidery during high-speed embordering.

The invention discloses an ultrafine-sequin needle-embroidering mechanism for a needle-embroidery production line. The ultrafine-sequin needle-embroidering mechanism comprises a vertical base, a connection side plate, a sequin feeding mechanism, a sequin pressing mechanism, a needle bar, a needle bar clamping block and an embroidering needle, wherein the connection side plate is fixed on the bottom end of the vertical base; the sequin feeding mechanism is mounted on the bottom of the connection side plate; and the sequin pressing mechanism is movably hinged with the connection side plate and located above the sequin feeding mechanism. The ultrafine-sequin needle-embroidering mechanism is characterized in that the needle bar is mounted on the right end of the vertical base; the needle bar clamping block is fixedly mounted on the bottom of the needle bar; the embroidering needle is fixed on the bottom of the needle bar and located below the needle bar clamping block; the sequin feeding mechanism conveys a sequin string to a to-be-processed position and cuts sequins off from the sequin string; and the sequin pressing mechanism presses the sequin string and allows a sequin at the forefront to be located on the to-be-processed position. The ultrafine-sequin needle-embroidering mechanism provided by the invention can overcome shortcomings of the prior art, is simple in structural design, can meet production needs of needle embroidering of ultrafine sequins with diameters of less than 2.0 mm, guarantees stable feeding and cutting of intact sequins, and improves embroidery quality.

A conductive embroidery thread, a conductive embroidery fabric using the same and use of the conductive embroidery fabric are provided. The conductive embroidery thread of high embroidery quality is without thread tangles and breaks by plying and twisting conductive threads together at 600 or less turns per 1 M to satisfy the strength and elongation requirements suitable for embroidery process application. The conductive embroidery fabric has lightweight and high sensibility advantages by embroidering a skin layer fabric using the conductive embroidery thread at optimal embroidery density and embroidery speed. The conductive embroidery thread and fabric made therefrom may be used for a fiber type electrical and electronic device useful for an automotive interior touch sensor and an automotive interior material.

The invention discloses a needle bar frame body of a high-speed embroidery machine. The needle bar frame body comprises a needle bar frame, a needle bar installed on the needle bar frame and a presserfoot matched with the needle bar, wherein the presser foot comprises a presser foot rod and a presser foot structure connected to the bottom end of the presser foot rod, the presser foot structure isprovided with a first thread clamping structure and a second thread clamping structure, a hook knife penetrates through the space between the first thread clamping structure and the second thread clamping structure, the first thread clamping structure can move relative to the second thread clamping structure and can reset, the first thread clamping structure makes contact with the second thread clamping structure when being located at a reset position, the presser foot rod is provided with a matching structure, the needle rod frame is provided with a locking structure used for preventing thematching structure from moving forwards, the needle rod frame is provided with an unlocking mechanism capable of enabling the locking structure and the matching structure to generate relative displacement so as to relieve the blocking effect of the locking structure on the matching structure. The needle bar frame body has the beneficial effects that the higher function integration degree is achieved, and the technical purpose of stably keeping upper thread clamping is achieved.

The invention discloses a thread hooking device for preventing deformation of a pull rod and an embroidery machine. The thread hooking device comprises a thread hooking driver, the thread hooking pull rod, a thread hooking shifting fork and a hooking knife; the thread hooking driver drives the thread hooking pull rod to do linear reciprocating motion; the thread hooking pull rod is rotationally connected with a ball guide block; the ball guide block is provided with a ball guide groove annularly formed around the thread hooking pull rod; the thread hooking shifting fork is provided with a ball; the ball guide block is driven by the thread hooking pull rod to do linear reciprocating motion; the ball rolls in the ball guide groove to enable the thread hooking shifting fork to do reciprocating swing motion; the thread hooking shifting fork drives the hooking knife to do linear reciprocating motion to achieve thread hooking; the thread hooking pull rod is movably nested with a compression spring on the side of the ball guide block; and the thread hooking pull rod is fixedly provided with two limiting ferrules correspondingly on the two sides of a combination body of the ball guide block and the pressure spring. Even if the ball guide block rotates relative to the thread hooking pull rod, the ball is still in the ball guide groove and cannot be separated; and the compression spring is adopted to replace a torsional spring, and the compression spring is long in service life and relatively low in cost, so that the maintenance cost can be reduced.