KR20110006711A - Supplying device for winding embroidery machine - Google Patents

Abstract

The feeding device for the winding embroidery machine includes a rope transfer mechanism (1), a driving mechanism (2) for driving the rope transfer mechanism (1), a tensioning mechanism (3) for embroidery ropes, and a monitoring mechanism (4) for rope recovery and delivery. And rope recovery and delivery mechanism (5). The tensioning mechanism 3 for the embroidery rope includes a swing bar 31 movably connected to the pin shaft 30 on the motor seat on one side thereof. The guiding wheel 34 is disposed at the other end of the swing bar 31. A position restoring spring 32 is disposed on the swing bar 31 and near the pin shaft 30, and the other end of the position restoring spring 32 is fixed on the motor seat. The monitoring mechanism 4 for rope recovery and delivery comprises a rope recovery photocoupler assembly 41, a rope delivery photocoupler assembly 42, and an encoder disc 40 on one side of the pin shaft 30. The gap region for light transmission is disposed radially on the encoder disk 40. The rope recovery photocoupler assembly 41 and the rope transfer photocoupler assembly 42 are disposed on the motor seat, each corresponding to a gap region on the encoder disk 40, and connected to a computer control system. The rope recovery and delivery mechanism 5 is arranged on the rope recovery and delivery motor 50, the drive wheel 51 for rope transfer disposed at the end of the output shaft of the motor 50, and one side of the drive wheel 51. Rope driven driven wheel 52 is included. Due to the cooperation between the tensioning mechanism (3) for the embroidery rope, the monitoring mechanism (4) for rope recovery and delivery, and the rope recovery and delivery mechanism (5), the feeding device has an event in which the upper thread is pulled during embroidery. Can be prevented, and the embroidery rope can be recovered in time during complementary embroidering, thus ensuring the quality of the embroidery.

Description

Feeder for Winding Embroidery Machine {SUPPLYING DEVICE FOR WINDING EMBROIDERY MACHINE}

The present invention relates to a computerized embroidery machine, and more particularly a feeding apparatus for a winding embroidery machine capable of realizing conveying of embroidery ropes. The present invention provides three Chinese patent applications, ie, Utility Model Application No. 200920116562.7 filed on March 27, 2009; Utility Model Application 200920118210.5, filed April 14, 2009; And Utility Model Application 200910097745.3, filed April 14, 2009. The content of these three patent applications will be incorporated herein by reference.

Computerized wound embroidery machines, which are devices used to embroider ropes and belts, are generally arranged with a rope conveying device for winding embroidery having the embroidery function of winding embroidery based on a general flat embroidery machine. Common winding embroidery feeders, which are independent machine heads, include an independent embroidery mechanism and a rope conveying mechanism. There will be a flat embroidery machine head installed at regular intervals in a hybrid embroidery machine combined with flat embroidery and the like. Accordingly, such a device requires a large installation space. On the other hand, such a device needs to share the same delivery system as the planar embroidery machine. Due to the installation of the transmission shaft, the head structure of the general flat embroidery machine will be modified to a large extent, which will reduce the universality of the parts and add winding winding function to the computerized embroidery machine with flat embroidery. Make it impossible. The utility model application of the application number "2009201145271" with the designation "winding embroidery supply apparatus" was submitted by the applicant [Zhejiang Champion Mechanical & Electrical Technology Co.] on February 25, 2009, which contains a winding embroidery function. The supply apparatus required to be installed on one side of the flat embroidery machine is described in order to realize this. Such devices usually include a rope transfer mechanism, a drive mechanism with a stepper motor, and a guide mechanism for guiding the embroidery rope, wherein the rope transfer mechanism consists of a rope transfer wheel. The rope transfer wheel has a body in which an embroidery needle hole is provided at the center where a plurality of rope transfer holes are arranged around. At the periphery of the body there are arranged a plurality of rope guide holes that match the rope transfer holes, which are provided with a synchronization gear which has advantages such as fast and high accuracy feed and convenient operation. Because the indistinguishable guide mechanism for guiding the embroidery rope regulates the tension of the embroidery rope, if the embroidery rope is too taut, a noodle line is likely to occur during embroidery, and the excess embroidery rope fails to pull back. In doing so, it will affect the achievement of complementary embroidery.

In order to address a particular problem, the present invention aims to provide an unloading embroidery feed device characterized by automatic adjustment of the embroidery rope, easy operation, and good results.

In order to address this particular problem, the present invention adopts a special solution as follows: The winding machine feeding device is a rope transfer mechanism, a driving mechanism for activating the rope transfer mechanism, a tensioning mechanism of the embroidery rope, a monitoring mechanism of rope recovery & delivery. And a rope retrieval & transfer mechanism, wherein the tensioning mechanism of the embroidery rope includes a swing bar on which one side is movably connected to the pin shaft on the motor base and a guiding wheel is provided on the other side, and a position close to the pin shaft. Include a restoring spring. The other side of the position restoring spring is fixed to the motor base; Rope recovery & delivery monitoring mechanisms include a rope recovery photocoupler assembly, a rope delivery photocoupler assembly, and an encoder disk disposed on one side of the pin shaft. The transmissive gap regions respectively disposed on the encoder disc along the radial direction correspond to the rope recovery photocoupler assembly and the rope transfer photocoupler assembly disposed on the motor base, and are connected with the control system of the computer; The rope retrieval & transfer mechanism includes a retrieval & transfer motor, a drive wheel of rope transfer disposed on one side of the output shaft of the retrieve & transfer motor, and a driven wheel of rope transfer disposed on one side of the drive wheel of rope transfer. .

The combination of the tensioning mechanism of the embroidery rope, the monitoring mechanism of rope recovery & delivery, and the rope recovery & delivery mechanism adopted in the present invention can transfer the tension of the embroidery rope to the monitoring mechanism of rope recovery & delivery by the tensioning mechanism of the embroidery rope. Its optical coupling component conveys information to the computer such that the degree of tension is automatically recognized by the computer. The computer program controls the rope retrieval & transfer mechanism for retracting or releasing the rope, which can prevent the occurrence of noodle line during embroidery and complement to ensure the quality of the embroidery. Embroidery ropes can be pulled in immediately during complementary embroidery.

In addition, the wound embroidery supply device of the present invention further includes a rope clamping mechanism disposed on the exit side of the embroidery rope, wherein the rope clamping mechanism includes a position-stop nut, a clamping seat, a spring and an adjustment nut at the front of the clamping screw. It consists of a clamping screw provided in turn. Rope clamping mechanisms are arranged to prevent inaccurate pulling in a fixed initial state of the embroidery rope, and thus are more convenient to operate.

In addition, the guide sliders disposed on both sides of the driven wheel of the rope transfer are provided with tension springs on one side, where adjustment bolts are arranged on the other side of the tension springs. The adjustment bolt can be used to adjust the friction between the embroidery rope and the driven & driven wheel of the rope feed, which is beneficial for the inlet and withdrawal.

In addition, the wound embroidery supply apparatus of the present invention includes a bobbin fixing mechanism disposed over the rope recovery & delivery mechanism. The bobbin fixing mechanism consists of a bobbin fixing pin shaft at the center of the bobbin, which is provided with bobbin lock pins and block pins at its front face. The bobbin lock pin is provided with a notch for securing the block pin. When replacement of the bobbin is required, the bobbin lock pin will be pulled into the horizontal position, as a result of which it is convenient to disassemble the bobbin from the bobbin fixing pin shaft.

The bobbin retaining pin shaft is also provided with a support ring with a tension spring disposed on its rear face. Accordingly, it is excellent for fixing bobbins and improving stable conveyance of embroidery ropes.

1 is a structural view of a wound embroidery supply apparatus of the present invention.
FIG. 2 is an expanded structural diagram of the tension mechanism of the embroidery rope as shown in FIG. 1 (B).
FIG. 3 is an expanded structural diagram of the monitoring mechanism of rope recovery & transfer as shown in FIG. 1 (in C, drive mechanism disassembled).
FIG. 4 is a cross-sectional view AA of the rope recovery & delivery mechanism as shown in FIG. 1.
FIG. 5 is an enlarged structural diagram of the bobbin fixing mechanism as shown in FIG. 1.
6 is an enlarged structural diagram of the clamping mechanism as shown in FIG.

The invention is described in more detail in combination with the figures and embodiments.

As shown in Fig. 1, the present invention provides a rope transfer mechanism (1), a driving mechanism (2), a tensioning mechanism (3) of embroidery ropes, a monitoring mechanism (4) of rope recovery & delivery, a rope recovery & delivery mechanism ( 5), a bobbin fixing mechanism 6 disposed above the rope retrieval & delivery mechanism 5, and a rope clamping mechanism 7 disposed at the output side of the embroidery rope.

As shown in FIG. 2, the tensioning mechanism 3 of the embroidery rope movably connects the pin shaft 30 to one side and is provided with a reposition spring 32 near the pin shaft 30. A swing bar 31, wherein the position restoring spring 32 is fixed to the motor base 33 on the other side, and the guiding wheel 34 is mounted on the other side of the swing bar 31.

As shown in FIG. 3, the monitoring mechanism 4 of rope recovery & transfer is characterized by a rope gap and a photic gap area (not shown in the figure) disposed on the encoder disk 40 along the radial direction. An encoder disk 40 disposed on one side of the pin shaft 30, with a receiving photocoupler assembly 41, and a photocoupler assembly 42 for rope delivery disposed on an outer circumference of the encoder disk 40. . Each of the rope recovery photocoupler assembly 41 and the rope transfer photocoupler assembly 42 corresponds to a gap area on the encoder disk 40 and is connected to a control system of a computer. Since the encoder disc 40 and the swing bar 31 are coaxial, the encoder disc 40 will rotate oppositely as the swing bar 31 rotates, so that the tension of the embroidery rope is reduced to the encoder disc ( 40). If the embroidery rope is too taut or loose, the gap area on the encoder disc 40 will deviate from the rope return photocoupler assembly 41 or the rope transfer photocoupler assembly 42. Accordingly, it will send a retracting signal or a releasing signal corresponding to the control system of the computer.

As shown in FIG. 4, the rope retrieval & delivery mechanism 5 is provided with a retrieval & delivery motor 50 provided with a drive wheel 51 of rope transfer disposed on the side of the output shaft of the retrieval & delivery motor 50. Include. The driven wheel 52 of the rope feed disposed on one side of the drive wheel 51 of the rope feed may rotate about the central axis 53 in the opposite direction. The drive wheels 51 and driven wheels 52 of the rope transport can be rubber wheels, whereby the embroidery rope can penetrate through the center of these. Guide sliders 54 disposed on both sides of the driven wheel 52 of rope transfer are provided with tension springs 55 on one side, where adjustment bolts 56 are disposed on the other side of tension spring 55. Thereby, it is possible to adjust the friction between the embroidery rope and the drive wheel 51 and driven wheel 52 of the rope conveyance, which is advantageous for drawing in and drawing out. After the retrieval & transfer motor 50 has received the incoming or outgoing signal, it will rotate clockwise or counterclockwise to realize the incoming or outgoing function.

As shown in FIG. 5, the bobbin fixing mechanism 6 consists of a bobbin fixing pin shaft 60 at the center of the bobbin 61, where the bobbin fixing pin shaft 60 has a front portion of the bobbin fixing pin shaft. Bobbin lock pin 62 and block pin 63 are provided. The bobbin lock pin 62 is provided with a notch 64 that secures the block pin 63. When replacement of the bobbin 61 is required, the bobbin lock pin 62 will be pulled into the horizontal position. Since the width of the bobbin lock pin 62 is narrower than the width of the center hole of the bobbin 61, it is convenient to disassemble the bobbin 61 from the bobbin fixing pin shaft 60. On the other hand, the bobbin fixing pin shaft 60 is provided with a support ring 65 in which a tension spring 66 is disposed on the rear surface. Accordingly, it is excellent for fixing the bobbin and improving the stable conveyance of the embroidery rope.

As shown in FIG. 6, the rope clamping mechanism 7 includes a position-stopping nut 71, a clamping seat 72, a spring 73 and an adjustment nut 74 with a clamping screw 70. It consists of a clamping screw 70, which in turn is provided in the front portion of. When the end of the embroidery rope is blocked at the center of the clamping seat 72, the embroidery rope between the clamping seat 72 and the rope retrieval & transfer mechanism 5 is pulled in tight. Since the monitoring mechanism 4 of the rope retrieval & delivery mechanism monitors this, it is possible to prevent the occurrence of inaccurate retraction of the rope retrieval & delivery mechanism 5.

Claims (5)

A wound embroidery supply device comprising a rope transfer mechanism and a drive mechanism for activating the rope transfer mechanism,
The other side of the position restoring spring includes a swing bar movably connecting the pin shaft on the motor base on one side and provided with a guiding wheel on the other side, and a reposition spring close to the pin shaft. A tensioning mechanism of the embroidery rope fixed to the base;
The motor base includes a photocoupler assembly for rope recovery, a photocoupler assembly for rope delivery, and an encoder disk disposed on one side of the pin shaft, each of which has a radial gap area disposed on the encoder disk along the radial direction. A rope retrieval & delivery monitoring mechanism corresponding to the rope retrieval captive coupler assembly and the rope delivery photocoupler assembly, connected to a computer control system;
Adds a rope retrieval & transfer mechanism including a retrieval & transfer motor, a rope transfer drive wheel disposed on one side of the output shaft of the recovery & transfer motor, and a driven wheel of rope transfer disposed on one side of the drive wheel of the rope transfer. Winding embroidery feeding device (winding embroidery feeding device) comprising a. The clamping mechanism of claim 1, wherein the wound embroidery supply further comprises a rope clamping mechanism disposed on the exit side of the embroidery rope, the rope clamping mechanism being positioned at the front side of the clamping screw, a clamping seat. Winding embroidery supply, characterized in that it consists of a clamping screw, which in turn is provided with a spring and an adjusting nut. 2. The wound embroidery supply device according to claim 1, wherein a tension spring is provided on one side of the guide sliders disposed on both sides of the driven wheel of the rope transport, and an adjustment bolt is disposed on the other side of the tension spring. The bobbin fixing mechanism according to claim 1, wherein the winding embroidery feeding device includes a bobbin fixing mechanism disposed on the rope retrieval & transfer mechanism, wherein the bobbin fixing mechanism consists of a bobbin fixing pin shaft at the center of the bobbin, and the bobbin fixing pin shaft has a front face of the bobbin. A bobbin lock pin and a block pin are provided in the part, and the bobbin lock pin is provided with a notch for fixing the block pin. 5. The wound embroidery supply device according to claim 4, wherein the bobbin fixing pin shaft is provided with a support ring having a tension spring disposed on the rear surface thereof.

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