CN2070758U - Improved mechanism of cutting thread device for making vertical lace embroidery - Google Patents

Abstract

The utility model provides a yarn cutting device installed on a stereo embroidering device. A spinning blade and a cutting knife which both can rotate are respectively driven by two crank suites in the device. The stereo embroidering device is provided with a yarn positioning device which is composed of a spring and a pin shaft. When the lace cloth completes the work of the stereo embroidery and the background edge, a frame body drives the stereo embroidering device to move forward, the spinning blade rotates, hooks the textile threads and the thick threads and moves backward so that the textile threads and the thick threads are clamped between the yarn positioning device and the spinning blade or between the spinning blade and the body groove of the stereo embroidering device; then the cutting knife rotates and simultaneously cuts off the textile threads and the thick threads; the purpose of automatically cutting the yarn is achieved.

Description

Three-dimensional lace flower is made the improvement transmission device of yarn cutting device

The utility model relates to a kind of lace flower and makes the yarn cutting device, this yarn cutting device is after finishing cubic embroidery and mat work at present lace figured cloth, still must cut off by manually knitting line and thick line, could continue embroidery work, thereby cause the embroidery time to increase, and increase the shortcoming of cost etc., therefore, require to improve design.The yarn cutting device that the utility model proposes can cooperate with the cubic embroidery device, make the lace figured cloth after finishing cubic embroidery and mat work, can finish automatic yarn cutting work by the yarn cutting device, and need not relend the worker that helps others, working time is reduced, and reach the purpose of simplifying manpower.

Lace figured cloth (Lace) is because can make clothes set off out nobler sensation by its texture, so generally used gradually in recent years; And lace figured cloth production method the earliest, be to embroider out by a manual pin one line fully, but progress along with society's science and technology, just the someone designs the lace flower embroidery machine with computer control, by the computer design of control automatically, can finish the embroidery of lace flower automatically, and need not relend assistant worker, therefore such design just can make lace figured cloth textile industry simplify many manpowers, and speed of production is increased; Yet the lace of design is spent embroidery machine the earliest, though can carry out lace figured cloth embroidery work automatically, but the lace flower is if want to present the mat of solid shape and periphery, still must be by manually carrying out embroidery work, for the embroidery work that assesses the cost with the time, still must spend many costs, therefore there is the people to design a kind of cubic embroidery device that is installed on the embroidery machine again, after this device makes the lace figured cloth finish embroidery work, can finish cubic embroidery automatically again and mat work further improves automaticity through this embroidery machine.

Yet, be provided with the embroidery machine of cubic embroidery device, can not reach full automation, when embroidery machine is finished embroidery work, after relending the work that helps the cubic embroidery device to finish cubic embroidery and mat embroidery, embroidery machine is paused a little, then by manually knitting line and thick line is cut off, so just can finish the embroidery work of one section lace flower, and this mode not only still makes embroidery work finish fully automatically, and still have the defective that increases cost and can't simplify manpower, and this embroidery machine still is not full automatic machine, and the function of embroidery machine is reduced.

The purpose of the utility model for making embroidery machine reach full automation, simplify manpower and reduce cost, through design and research repeatedly, design a kind of yarn cutting device that can be used with the cubic embroidery device, by means of this yarn cutting device, make embroidery machine from embroidery, cubic embroidery, mat until yarn cutting, all can finish automatically, so just can simplify many manpowers and cost with embroidery machine.

Main purpose of the present utility model, be to provide a kind of three-dimensional lace flower to make the yarn cutting device, this device is installed on the cubic embroidery device, by two cover crank groups difference driven rotary cutter and cutting knifes, this rotating knife and cutting knife all can produce spinning movement, on the cubic embroidery device, be provided with by what spring and bearing pin were formed and decide yarn feeding device, by such design, when lace cloth is finished the work of cubic embroidery or mat, can make the cubic embroidery device move forward, make rotating knife and cutting knife protrude in the rear end of cubic embroidery device, and make rotating knife rotation and will knit line and thick line is fixed, and then make the cubic embroidery device move backward, make knit line and thick line folder due to rotating knife with decide between yarn feeding device, or between rotating knife and body recess, cutting knife is rotated, to knit line and thick line and cut off, and so just can reach the purpose of automatic yarn cutting.

Two of the purpose of this utility model is the steel bands that are provided with flange by inner face, and the main runner that drives whole cubic embroidery devices rotates synchronously, and can reach the purpose of cubic embroidery really.

Illustrated below in conjunction with the structure and the feature of accompanying drawing the yarn cutting device that the utility model proposes:

Fig. 1 is the perspective view after the yarn cutting device that the utility model proposes and the combination of cubic embroidery device, and the rotating knife and the cutting knife of yarn cutting this moment device are positioned at the rear end.

Fig. 2 is the yarn cutting device that the utility model proposes and the exploded view of cubic embroidery device.

Fig. 3 is that the yarn cutting device that the utility model proposes and cubic embroidery device are installed in the perspective view on the embroidery machine.

Fig. 4 is the front view of the cubic embroidery device that the utility model proposes.

Fig. 5 is the front view of the another location of the cubic embroidery device that the utility model proposes, and this figure cooperates with Fig. 4, can find out the manner of execution of cubic embroidery device.

Fig. 6 is the yarn cutting device that the utility model proposes, the side view that the cubic embroidery device cooperates with support body, and support body did not drive the cubic embroidery device as yet and moved forward this moment.

Fig. 7 is the rearview of Fig. 6, the groove that the rotating knife of yarn cutting this moment device and cutting knife still are positioned at the cubic embroidery device.

Fig. 8 is the rearview of the another location of Fig. 6, and support body drove the cubic embroidery device and moved forward this moment, and made the rotating knife of yarn cutting device and the rear end that cutting knife protrudes in the cubic embroidery device.

Fig. 9 is the rearview of Fig. 8, and this moment, the rotating knife of yarn cutting device produced spinning movement, will knit line and thick line hooks.

Figure 10 is the rearview of Fig. 9, and the cutting knife of yarn cutting this moment device has produced spinning movement, and carries out the yarn cutting action to knitting line and thick line.

As shown in Figures 1 and 2, the yarn cutting device (3) that the utility model proposes is installed on the body (1) with cubic embroidery device (2), this body (1) top is square pedestal, there is yarn cutting device centre bore (11) in central authorities at pedestal, and in centre bore (11), both sides respectively be provided with a locating hole (12), bolt can make body (1) be fixed on a support body (5) by locating hole (12) and go up (as Fig. 3 and shown in Figure 6), this support body (5) rear end then fixes with the actuating strut (51) that is installed on the bracing frame (52), the top end face of actuating strut (51) has profile of tooth, by the straight-tooth bar (53) of actuating strut (51) upper end, the actuating strut (51) that just can drive permutation simultaneously produces the front and back action; Rearward end at body (1) pedestal has a groove (13) in addition, one of groove (13) side bottom is an arcuation, and in groove (13), be provided with a pin-and-hole (15), this pin-and-hole (15) can be fixed and decide yarn transposition (4), should decide yarn feeding device (4) and form, and make spring (41) and bearing pin (42) one ends all be arranged in pin-and-hole (15) by a spring (41) and bearing pin (42).

Bottom, rear end in body (1) pedestal is connected a locating rack, the front end face of locating rack is provided with an edge clipping (14), one bearing (21) can be installed on edge clipping (14), the main runner (22) of cubic embroidery device (2) can be installed in the front end of bearing (21) again, main runner (22) can produce any spinning movement, the middle position of main runner (22) has pin hole (23), and in pin hole (23) wired hole, appropriate location (24) on every side, circumferential surface at main runner (22) has the uniform gear teeth in addition, the steel band (26) that the medial surface ring can be established tooth (28) cooperates with main runner (22), and steel band (26) one ends are installed on the gear teeth (27) of a runner (25), be inverted that motor or pneumatic means drive and when producing perseveration (as Fig. 4 and shown in Figure 5) when steel band (26) whereby, just can drive the main runner (22) that is each the cubic embroidery device (2) that is arranged side by side rotates synchronously, therefore when this body (1) and cubic embroidery device (2) are installed on the embroidery machine by support body (5) and bracing frame (52) jointly (as shown in Figure 3), thick line can be passed the line hole (24) of main runner (22), move before and after the knitting needle (61) of borrowing crank group (6) to drive, make to be installed with knitting needle (61) work that embroider in the thick line both sides of generation position change being subjected to main runner (22) spinning movement influence of knitting line, so just can reach the purpose of cubic embroidery and automatic mat.

The topmost design that is characterised in that yarn cutting device (3) of the utility model, please referring to shown in Figure 2, this yarn cutting device (3) is made up of a rotating knife (31) and cutting knife (32), the cutter hub of this rotating knife (31) is and hooks shape, there is arc surface the bottom, extend a hollow stem (311) from the other end of cutter hub, this hollow stem (311) is passed centre bore (11) from body (1) rear end, and hollow stem (311) one ends are installed in the rocking arm (312), the cutter hub bottom of cutting knife (32) is the cutting face, the other end is then for being nose bar (321), this nose bar (321) passes the hollow stem (311) of rotating knife (31), and protrude in the front end of rocking arm (312), nose bar (321) ledge is installed in the rocking arm (312), an end of rocking arm (312) (322) is individually fixed on the two set of bell cranks groups again, and this crank group is made up of general common connecting rod, when the crank group was moved, the rocking arm (312) (322) that just can drive each yarn cutting device (3) synchronously produced spinning movement.

Please referring to Figure 6 and Figure 7, when the lace figured cloth carries out the embroidery of lace flower, during the work of cubic embroidery and automatic mat, lace figured cloth (7) is positioned at the rear end of body (1), and needlework location is identical with main runner (22) position, and the rotating knife (31) of yarn cutting device this moment (3) all is positioned at body (1) groove (13) with cutting knife (32); Embroider and finish the lace flower when embroidery machine, after the work such as cubic embroidery and automatic mat, spinning movement by straight-tooth bar (53), actuating strut (51) drive support body (5) and body (1) are moved forward, and make the rotating knife (31) of yarn cutting device (3) and the rear end (as shown in Figure 8) that cutting knife (32) all protrudes in body (1), this moment, embroidery machine up moved with seasonal lace figured cloth (7), make and knit line and thick line is positioned between lace figured cloth (7) and main runner (22), because of the difference of upper-lower position makes the line body all be oblique shape, then make the crank group drive two rocking arms (312) (322) driven rotary cutter (31) and cutting knife (32) rotation respectively again, make cutting knife (32) be vertical form up, rotating knife (31) then can continue rotation (as shown in Figure 9), and will knit line and thick line all hooks, and then make straight-tooth bar (53) rotation that actuating strut (51) drive support body (5) and body (1) are moved backward, make rotating knife (31) will knit line and thick line all hooks in the groove (13), and be stuck in rotating knife (31) and decide between yarn feeding device (4), or between rotating knife (31) and groove (13) (as shown in figure 10), and then make cutting knife (32) reverse rotation, just can will knit line and thick line all cuts off, and making an end of line still be solid form, the phenomenon that breaks away from needlework location and can't proceed the embroidery work of next stage is arbitrarily moved in the end that so just can avoid knitting line and thick line.

Yarn cutting device of the present utility model (3) cooperates with embroidery machine, cubic embroidery device (2), can make the lace figured cloth from embroidery lace flower, cubic embroidery, automatic mat to yarn cutting work, can realize the machine automation fully, the embroidery process of lace cloth need not be finished by the people again, make it reach the purpose of simplifying manpower and reducing cost really.

The utility model yarn cutting device can improve the effect of embroidery machine, makes lace figured cloth manufacturing industry reach the purpose that reduces cost really.

Claims (2)

1. a three-dimensional lace flower is made the yarn cutting device, this yarn cutting device is mounted on the body, but there is the main runner flange of fixing bearing and cubic embroidery device the bottom of this body, center on main runner is provided with pin hole, the side appropriate location is provided with the line hole, body is fixed on the support body, this support body is fixed on the actuating strut of bracing frame, when main runner be looped around its outside steel strip driving and when producing perseveration, be the lace flower that embroidery machine is embroidered out have stereoeffect, it is characterized in that:

Wherein the main runner periphery ring of cubic embroidery device is provided with the gear teeth, is equipped with tooth on the steel band, by cooperating of tooth and the gear teeth, is rotated by steel strip driving master runner.

2. three-dimensional lace flower as claimed in claim 1 is made the yarn cutting device, and wherein there is profile of tooth on the top of actuating strut, is the actuating strut that is arranged side by side and can passes through ratch drive always and synchronization action.

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