KR101165341B1 - Multi-head embroid ery machine - Google Patents

Abstract

The present invention has been made to solve the above problems, by separating the motor of the main shaft for driving the needle bar into two or more axes to drive a plurality of two or more motors to reduce the length of the main shaft to minimize twist Its purpose is to form a plurality of separate spindles on the upper side of the embroidery machine frame to prevent the main shaft to transmit power to the embroidery head in order to achieve the above object, the plurality of separate spindles each drive motor rotational force The drive pulley and the interlock pulley is formed to receive the transmission, and the drive pulley and the interlock pulley is connected to the belt and the main shaft separation drive type multi-head embroidery machine configured to hold the rotating main shaft.

Description

Spindle-separated multi-head embroidery machine {MULTI-HEAD EMBROID ERY MACHINE}

The present invention relates to a spindle-driven multi-head embroidery machine, and more particularly, by separating the main shaft for driving the needle bar into a plurality of shafts and individually driving them with each driving motor, the drive shaft becomes longer and the torsional phenomena generated during high-speed rotation The present invention relates to a spindle-driven multi-head embroidery machine configured to relax and improve embroidery quality.

Embroidery machines are getting wider and faster in order to improve production.

In general, more than 56 embroidery machines have been developed, and efforts have been made to increase the operating RPM of the machine. In addition, it is necessary to lighten the drive shaft to improve the working speed, and at the same time, it has the problem of causing the weakening of rigidity. There is a problem in that the time axis is distorted.

In addition, a plurality of embroidery machine heads are arranged in a row on the embroidery machine frame and driven by a main shaft penetrating the head, and the up and down movement of the needle bar and the XY axis movement of the bed fixing the fabric are made.

On the other hand, while the upper position of the embroidery frame of the needle bar, the embroidery frame is configured to move to the next embroidery position to complete the pattern of the embroidery.

The needle bar is moved up and down by the rotational movement of the main shaft, the multi-hand embroidery machine is equipped with dozens of needle bars on one axis to increase the yield by performing multiple embroidery at the same time.

In addition, the conventional embroidery machine is a motor that drives the needle bar shaft is placed at the end of the embroidery machine is subjected to a large load when driving the shaft, the longer the shaft has a problem that the shaft is twisted during high speed operation.

In addition, as the shaft twists to the end, the synchronization with the embroidery frame is distorted toward the end, resulting in a result that the embroidery quality does not come out properly.

The present invention has been made in order to solve the above problems, by separating the drive motor of the main shaft for driving the needle bar into two or more axes to drive a plurality of two or more drive motors to reduce the length of the main shaft twist The purpose is to minimize.

In order to achieve the above object, a plurality of separate spindles are formed on the upper side of the embroidery frame to prevent the main shaft from transmitting power to the embroidery head, and the plurality of separate spindles can receive the respective driving motor rotational force. A driving pulley and an interlocking pulley are formed, and the driving pulley and the interlocking pulley are connected to a belt, and a spindle detachable driving multi-head embroidery machine configured to hold a rotating main shaft.

According to the present invention, by forming a plurality of separate spindles and respective driving motors, the splitting is more dispersed than the centralized type, so that the inertia is less affected. Thus, energy saving and precise speed control are possible, and mechanical inertia and friction are reduced to reduce vibration and It is characterized by reducing noise.

In addition, the multi-head embroidery machine of the present invention has an effect of maintaining excellent embroidery quality without twisting of the main shaft even at high speed rotation.

1 is a front view schematically showing a conventional multi-head embroidery machine used.
2 is a front view of the main portion of the present invention assembled.
3 is a front view of an enlarged state by extracting another main portion of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a component comprises a component, it is understood that it may include other components, not control of the other component, unless specifically stated otherwise.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the spindle-separated drive-type multi-head embroidery machine of the spindle-detachable structure.

Figure 1 is a front view schematically showing a conventional multi-head embroidery machine, Figure 2 is a front view of a state in which the main portion of the present invention assembled, Figure 3 is a front view of an enlarged state by extracting another main portion of the present invention. .

Conventionally used soybean embroidery machine 10 is a plurality of embroidery heads 13 are provided in a row on the embroidery frame 11, as shown in Figure 1, the needle bar 14 and the balance 18 of each head 13 It is a structure driven by the main shaft 12 common to the head 13.

A bed 15 is installed below the embroidery head 13, and a table 16 is installed at approximately the same height as the bed 15, and a sewing frame 20 for maintaining a fabric on the table 16 is provided. It is raised so that it can move back and forth and left and right.

Moreover, the operation panel 19 is arrange | positioned at the right end part of the table 16, and the control panel 17 is provided in the lower side of the table 16. As shown in FIG.

Meanwhile. The present invention is to form a plurality of separate spindle 12 on the upper side of the embroidery frame 11 so as to prevent the main shaft 12 for transmitting power to the embroidery head 13, as shown in FIGS.

In addition, each of the plurality of separate spindles 12 includes driving motors 30, 31, and 32, and a driving pulley for receiving the rotational force of the driving motors 30, 31, 32. 33, 34, 40 and interlocking pulleys 35, 36, 41 are formed.

In addition, the driving pulleys 33, 34, 40 and the interlocking pulleys 35, 36, 41 are connected to each of the belts 42, 43, 44 to operate.

Here, the other side of each of the main shaft 12 inserted into the interlocking pulleys 35, 36, 41 is assembled and rotated integrally with the support bearings 37, 38, 39 to drive motors 30, 31. It is a configuration that can directly transfer the power of the (32) to the embroidery head (13).

Meanwhile, the separated main shaft 12 measures an error of the speed information by a separate speed controller (not shown), integrates the information into a position error, and then compensates for the position error (not shown). It can be controlled by the configuration.

That is, the plurality of separate spindles 12 are driven by the rotation of the drive motors 30, 31, 32, and drive pulleys 33 for transmitting the rotational force of the drive motors 30, 31, 32. 34 and 40 and the interlocking pulleys 35 and 36 and 41 are capable of operating the main shaft 12 connected integrally with the embroidery head 13.

Accordingly, the present invention is configured to form a plurality of separate spindle 12 and each of the driving motors 30, 31, 32 so that the division is more dispersed and less affected by inertia than in the centralized method.

As described above, the present invention develops a multi-threaded embroidery machine that is divided into a plurality of parts, so that the load is less than that of the centralized type, and thus the inertia is less affected. have.

In addition, it is natural that excellent quality can be maintained even at the high speed of the multi-head embroidery machine.

As a result, the present invention forms a plurality of separate spindles 12 and respective drive motors 30, 31, 32, so that the load is distributed compared to the centralized type, and thus the inertia is less affected. It is possible to control the speed precisely and to reduce vibration and noise by reducing mechanical inertia and friction.

In addition, the multi-head embroidery machine of the present invention forms a plurality of separate spindles 12 and respective drive motors 30, 31, 32 together with an effect of maintaining excellent embroidery quality even without high speed rotation, even at high speeds. As a result, the main shaft 12 measures the error of the speed information by the speed controller, integrates the information into a position error, and divides it into a controller that compensates for the position error. Can be controlled.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be.

It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may be implemented in a combined manner.

The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention.

10. Dadu embroidery machine 11. Frame
12. Spindle 13. Embroidery Head
14. Needle 15. Bed
16. Table 17. Control panel
18. Balance 19. Operation panel
20. Sewing Frame 30,31,32. Drive motor
33,34,40. Drive pulley 35,36,41. Interlock pulley
37,38,39. Support Bearing

Claims (3)

delete A plurality of separate spindle 12 is formed on the upper side of the embroidery machine frame 11 so as to prevent the main shaft 12 for transmitting power to the embroidery head 13 is twisted,
The plurality of separate spindles 12 are driven pulleys 33, 34, 39 and interlocking pulleys 35, 36, 41 so as to receive rotational forces of the respective drive motors 30, 31, 32. ) Is formed,
The driving pulleys 33, 34, 40 and the interlocking pulleys 35, 36, 41 are connected to the belts 42, 43, 44 and support bearings 37, 38, 39. It is formed to hold each of the rotating main shaft 12,
By forming the plurality of separate spindles 12 and the respective driving motors 30, 31, 32, the plurality of separate spindles 12 measure the error of speed information by a speed controller while being less affected by inertia. Spindle separation-driven multi-head embroidery machine characterized in that configured to be controlled by a controller that compensates for the position error after integrating the information into a position error.
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