KR100292472B1 - Device for driving embroidery frame in wide embroidery machine - Google Patents

Abstract

Embroidery frame driving apparatus of a wide embroidery machine according to the present invention is a embroidery machine installed on a work table, a wide embroidery frame installed between the needle bar and the work table of the embroidery machine to support or hold the sewing object, the wide embroidery frame of the work table X-axis conveying means for moving in the X-axis direction, wherein the X-axis conveying means includes an X-axis guide member which extends to the support frame on both sides of the X-axis direction of the wide embroidery frame to guide and move the wide embroidery frame, It is composed of a Y-axis feed means for moving the wide embroidery frame in the Y-axis direction of the worktable, not only the structure is simple, but also the movement range of the X-axis feed means and Y-axis feed means is wide, even if the size of the transfer member is enlarged Embroidery objects of various sizes can be embroidered.

Description

Device for driving embroidery frame in wide embroidery machine

The present invention relates to an embroidery frame driving device of a wide-head guillotine embroidery machine, in particular, to maximize the moving range of the X-axis, Y-axis transfer structure to embroider embroidery objects of various sizes to improve the efficiency of work, and also the X-axis With two frames, the drive source is attached to each frame to make more precise embroidery.

In general, the industrial embroidery machine is a controller that determines the positions of two axes in which the frame fixed to the fabric makes horizontal movements in the X-axis direction and the Y-axis direction while the needle bar of the sewing machine capable of sewing is vertically moved.

The needle bar moves up and down when the sewing machine transfers the fabric to the saw-toothed feed, while the sewing machine is designed to sew while the embroidery frame is fixed in the X and Y directions. The accuracy and speed of movement are closely related to the quality of embroidery.

Therefore, an AC servo motor or an induction motor that can control is used as a power source for the needle bar of the embroidery machine to drive the up and down movement. As a power source for moving the embroidery frame in the X direction or the Y direction, the positioning force is good and the control is easy. A stepping motor is used.

Embroidery machines usually have 12 to 24 sewing machines connected to one axis to increase productivity, and each sewing machine has 6 to 12 needle bars because each sewing thread has to be sewn with different colors according to the embroidery design. Different colored threads are attached and connected.

Recently, users have requested the convenient input, copying, saving and simple editing of embroidery designs, and the automatic change of the thread color according to the embroidery design, the trimming function which automatically cuts the thread after sewing is finished, and the thread is broken. Automated embroidery machines are preferred with functions that stop the machine and display alarms, and power failure recovery that allows the machine to continue working when the machine stops with a power outage.

In addition to the efforts to improve the embroidery quality, companies that produce and sell embroidery machines are adopting industrial computers or microcomputers to the embroidery machines to meet the needs of users who require multifunctional embroidery machines.

The prior art will be described below based on what has been described above.

As shown in FIG. 1, a conventional single head embroidery machine includes an embroidery frame 1, an embroidery frame 2 that can be moved in both directions of the X-axis and Y-axis by supporting or holding a sewing object, and the embroidery frame 2; X-axis feeder 3 to move in the X-axis direction based on the X-axis movement data, and Y-axis feeder to move the embroidery frame 2 in the Y-axis direction based on the Y-axis movement data. (4) and the operation part 5 which input-operates the information required for various embroidery.

In the figure, reference numeral 6 denotes an embroidery table, 7 a needle, and 8 a work table.

The operation of the conventional single head embroidery machine configured as described above will be described with reference to FIGS. 1 and 2. First, a worker to be sewn or other objects to be fixed to the embroidery frame 6 of the embroidery frame (2).

Then, the operator reads the embroidery design data desired from the outside, that is, from the floppy disk, etc. through the operation unit 5 to perform the embroidery operation.

Then, the X-axis feeder 3 and the Y-axis feeder 4 move the embroidery frame 2 in the X-axis direction and the Y-axis direction based on the embroidery design data.

More specifically, the X-axis feeder 3 is driven by the X-axis motor 3b forward / reverse according to the X-axis movement data, the timing belt (3c) to the embroidery frame (2) Will be delivered.

That is, the bracket 3a connecting the embroidery frame 2 is installed at a predetermined position of the timing belt 3c, and two pairs of rails 3d are mounted on the upper end thereof so that the movement in the X-axis direction can be performed. It becomes possible and it can move also in a Y-axis direction.

On the other hand, in the Y-axis moving unit 4, the Y-axis motor 4b is driven forward / backward according to the Y-axis movement data, and the timing belt 4c transfers the forward / reverse drive to the embroidery frame 2. Done.

That is, a bracket 4a connecting the embroidery frame 2 is installed at a predetermined position of the timing belt 4c, and two pairs of rails 4d are mounted on the upper end thereof so that movement in the Y-axis direction can be performed. It becomes possible and can also move to an X-axis direction.

However, the single head embroidery machine according to the related art is not only complicated in structure because the transfer members of the X-axis transfer unit 3 and the Y-axis transfer unit 4 are installed separately, but also the size of the transfer member is increased so that the space of the actual embroidery frame is substantial. Since the design is smaller than that of the embroidery body, the movement range of the X-axis feeder 3 and the Y-axis feeder 4 is limited, and the movement range in the Y-axis direction with respect to the arm of the embroidery body 1 is structurally limited. There is a problem that can not embroider embroidery objects of various sizes, and only limited embroidery materials, that is, small size fabrics and T-shirts should be embroidered mainly, so that work efficiency is lowered and not widely utilized.

Accordingly, an object of the present invention is to devise to solve the above problems, because the X-axis transfer portion and the Y-axis transfer portion of the transfer member is installed in connection with each other, the structure is simple, and even if the size of the transfer member is enlarged X It is to provide an embroidery frame driving apparatus of a wide embroidery machine to improve the work efficiency because the moving range of the shaft feeder and the Y-axis feeder is not limited so that embroidery objects of various sizes can be embroidered.

The object of the present invention is an embroidery machine installed on a work table; A wide embroidery frame installed between the needle bar and the work table of the embroidery machine to support or hold the sewing object; X-axis feeding means for moving the wide embroidery frame in the X-axis direction of the work table; Here, the X-axis conveying means includes an X-axis guide member which extends on both sides of the X-axis direction support frame of the wide embroidery frame to guide and move the wide embroidery frame, and moves the wide embroidery frame in the Y-axis direction of the work table. Y-axis feed means for moving; Here, the Y-axis conveying means is achieved by the Y-axis guide member which is installed in both sides of the work table in the Y-axis direction to guide and move the X-axis guide member.

The wide embroidery frame is formed in a rectangular shape by vertically connecting the support frame in the X-axis and Y-axis directions.

The X-axis conveying means is a first guide frame which is installed extending in one support frame in the X-axis direction of the wide embroidery frame, and extending in the other support frame in the X-axis direction of the wide embroidery frame is parallel to the first guide frame An X-axis guide member composed of a second guide frame arranged to be disposed; A driving motor installed at one side of the X-axis guide member; A timing belt installed in the longitudinal direction of the X-axis guide member and having one side end connected to the driving motor to perform a linear reciprocating motion by the rotation of the driving motor; One side of the timing belt is made of a coupling member for connecting the timing belt and the support frame of the wide embroidery frame.

A connecting frame is installed in the Y-axis direction between the first guide frame and the second guide frame so that the first guide frame and the second guide frame interlock with each other.

The Y-axis feed means is a drive motor installed on one side of the rear end of the work table, a rotary shaft extending on both sides of the drive motor to transfer the rotation of the drive motor, and Y axis on one side end and the other end of the rotary shaft, respectively A timing belt which is connected in a direction and performs a linear reciprocating motion by the rotation of the drive motor, a fixing bracket which is fixed to one side of each timing belt and supports one guide frame of the X-axis guide member, and one side of the fixing bracket An LM block connected to the lower surface of the LM block and a LM guide for guiding the movement of the LM block; a bearing guide rail extending in the Y-axis direction at an end of the LM guide; and the bearing. It is installed to be slidable on the upper surface of the guide rail and includes a bearing fixing block for supporting the other guide frame of the X axis guide member It is configured to.

A bearing guide rail is installed at the end of the LM guide in the Y-axis direction, and a bearing fixing block is installed on the upper surface of the bearing rail to be slidable to support the second guide frame of the X-axis guide member.

Another embodiment of the Y-axis feed means is a drive motor is installed on both sides of the rear end of the work table, the timing belt is connected to each of the drive motor in the Y-axis direction for linear reciprocating motion by the rotation of the drive motor, A fixing bracket fixed to one side of the timing belt and supporting one side guide frame of the X-axis guide member, an LM block connected to one side of the fixing bracket, and installed on the lower surface of the LM block in parallel with the timing belt. An LM guide for guiding the movement of the block, a bearing guide rail extending in the Y-axis direction at the end of the LM guide, and slidable on an upper surface of the bearing guide rail, so that the other guide frame of the X-axis guide member It comprises a bearing fixing block for supporting.

1 is a perspective view showing a single-head embroidery machine according to the prior art.

Figure 2 is a plan view showing the X-axis and Y-axis feed means of the conventional single-head embroidery machine.

3 is a front view showing the appearance of a wide embroidery machine according to the present invention.

Figure 4 is a front view showing the internal configuration of a wide embroidery machine according to the present invention.

5 is a plan view showing a Y-axis feed means of a wide embroidery machine according to the present invention.

6 is an enlarged plan view of a timing belt and an LM block of the Y-axis feed means according to the present invention;

Figure 7 is an enlarged cross-sectional view of the timing belt and LM block of the Y-axis feed means according to the present invention.

8 is an enlarged cross-sectional view of the bearing fixing block and the bearing guide rail of the Y-axis feed means according to the present invention.

9 is a plan view showing the X, Y axis transport means according to the present invention.

Figure 10 is a plan view showing another embodiment of the X, Y axis transport means according to the present invention.

(Explanation of symbols for the main parts of the drawing)

101; Embroidery head 103; Embroidery frame

104a; First guide frame 104b; 2nd guide frame

104c, 105a; Pulse motor 105b; Timing belt

105d; Bracket 105e; LM Guide

105e-1; LM block 105f; Bearing Fixing Block

105g; Bearing guide rail 105s; Axis of rotation

110; Worktable

Hereinafter, the embroidery frame driving apparatus of the wide embroidery machine according to the present invention will be described according to the embodiment shown in the accompanying drawings. This embodiment is only illustrative for the purpose of understanding and is not intended to limit the invention.

Figure 3 is a front view showing the appearance of the wide embroidery machine according to the present invention, Figure 4 shows a front view showing the internal configuration of the wide embroidery machine according to the present invention, respectively.

As shown in the drawing, the configuration of the wide-headed embroidery machine according to the present invention is as follows.

The work table 110 is installed, and the beam 100 is installed above the work table 110, and the embroidery head 101 having the private stand 106 is mounted in the center of the beam 100. A body 99 is installed below the work table 110, and a main shaft motor 102a is mounted on a lower side of the body 99, and a thread of the embroidery head 101 is mounted on the main shaft motor 102a. The upper shaft 102b for rotating the take-up cam (not shown in the figure) is connected, and is also disposed on the upper part of the body 99 and is a kiln of the embroidery machine bed corresponding to the embroidery head 101 (not shown in the figure). The lower shaft 102c for rotating the upper shaft 102b and the lower shaft 102c also interlock with the upper shaft 102b and the lower shaft 102c to execute embroidery. In the figure, reference numeral 104 denotes the X-axis feed means, 105 denotes the Y-axis feed means, and 108 denotes the main control portion.

5 is a plan view showing the Y-axis conveying means of the wide-width embroidery machine according to the present invention, Figure 6 is an enlarged plan view showing a timing belt and LM (Linear Motion, LM) block of the Y-axis conveying means according to the present invention 7 is an enlarged cross-sectional view of the timing belt and the LM block of the Y-axis feed means according to the present invention, and FIG. 8 is an enlarged view of the bearing fixing block and the bearing guide rail of the Y-axis feed means according to the present invention. As the cross-sectional view seen from the front, respectively, a pulse motor 105a serving as a driving motor is installed at the center of the rear end of the work table 110, and rotation shafts 105s are disposed on both sides of the pulse motor 105a, and the rotary shaft ( The timing belt 105b is disposed in the Y-axis direction from the end of 105s, and the LM guide 105e is provided in parallel with the timing belt 105b.

The bracket 105d is fixed to one side of the timing belt 105b to move in the Y-axis direction along the timing belt 105b, and the LM block 105e-1 is connected to one side of the bracket 105d. It slides along the upper surface of the LM guide 105e provided in parallel with the timing belt 105b.

Therefore, when the timing belt 105b moves in the Y-axis direction, the bracket 105d moves in the Y-axis direction in conjunction with the timing belt 105b, and when the bracket moves in the Y-axis direction. The LM block 105e-1 is connected to the bracket 105d to slide in the Y-axis direction along the LM guide 105e. At this time, since both ends of the first guide frame 104a (see FIGS. 7 and 9), which are the X-axis feed members, are connected to and fixed to the bracket 105d and the LM block 105e-1, the first guide frame ( 104a) is also moved in the Y-axis direction.

On the other hand, the second guide frame 104b formed in parallel with the first guide frame 104a are connected to each other by a connecting frame (not shown) disposed under the worktable, so that the first guide frame 104a is disposed. Like to move in the Y-axis direction.

At this time, looking at the configuration in which the second guide frame is moved, the bearing guide rail 105g is installed in the Y-axis direction on the extension line of the LM guide 105e, the bearing guide rail on the bearing guide rail 105g A bearing fixing block 105f sliding along 105g is installed, and a lower surface of both ends of the second guide frame 104b is fixed to an upper surface of the bearing fixing block 105f so that the second guide frame 104b is fixed. It can be moved in the Y-axis direction. In the figure, reference numeral 105c denotes a pulley rotatably installed at one end of the timing belt.

FIG. 9 is a plan view showing the wide embroidery frame 103 seated on the first guide frame 104a and the second guide frame 104b, which are X-axis transport means.

First, the wide embroidery frame 103 is disposed between the first and second guide frames 104a and 104b. Pulse motors 104c are installed at right ends of the first and second guide frames 104a and 104b, respectively, and timing belts of a predetermined length are formed on a rotation axis of the pulse motor 104c (not shown). Is connected, and the wide embroidery frame 103 is fixed to one side of the timing belt by the coupling member 104e. Therefore, when the pulse motor 104c is rotated forward / backward, the timing belt is also synchronized with the rotation axis. When the timing belt is moved in the X-axis direction and the timing belt is moved in the X-axis direction, the wide embroidery frame 103 fixed to the timing belt is along the first and second guide frames 104a and 104b. Slide in the direction.

Referring to the operation and effect of the embroidery frame driving apparatus of the wide embroidery machine according to the present invention configured as described above are as follows.

First, the worker to be sewn or other objects to be fixed in the support frame of the wide embroidery frame. Then, the operator inputs the desired embroidery design data from the outside through the operation unit 107 installed on the work table 110, and then presses an operation button to execute embroidery operation. At this time, the input data can be input from the outside through a floppy disk.

Then, the X, Y-axis transfer means moves the wide embroidery frame 103 while moving in the X-axis direction and the Y-axis direction based on the embroidery design data.

More specifically, the X-axis conveying means forward / reversely drives the pulse motor 104c mounted on the first guide frame 104a and the second guide frame 104b according to the X-axis movement data. The pulse motor 104c conveys the timing belt in the X-axis direction, and the timing belt conveyed in the X-axis direction moves and moves the wide embroidery frame 103 in the X-axis direction, and the Y-axis conveying means is Y. According to the axis data, the pulse motor 105a installed at the rear end of the work table 110 is forward / reversely driven, and the pulse motor 105a for driving the forward / reverse drive is the rotary shaft 105s provided at both ends of the pulse motor. The rotating shaft 105s transfers the timing belt 105b in the Y-axis direction, and the timing belt 105b conveyed in the Y-axis direction includes the bracket 105d and the LM block fixed to one side of the timing belt. When the first guide frame (104a) in the Y-axis direction through 105e-1) The first guide frame 104a conveyed in the Y-axis direction moves the second guide frame 104b connected through the connecting frame (not shown) in the same direction, so that the first guide frame 104a moves in the Y-axis direction.

At this time, since the LM block 105e-1 moves along the LM guide 105e, the LM block 105e-1 stably guides the first guide frame 104a connected to the LM block 105e-1, and also the bearing fixing block 105f. Moves along the bearing guide rail 105g extending to the rear end of the LM guide 105e, thereby stably guiding the second guide frame 104b.

10 shows another embodiment of the embroidery frame driving apparatus according to the present invention, in which pulse motors 105a-1 of the Y-axis feed means are provided on both sides, and the pulse motors 105a-1 each have a timing belt. Since 105b is driven, more uniform and good embroidery can be performed.

In addition, since the LM block and LM guide applied to the Y-axis feed means of the present invention is used by replacing the bearing member and the guide member disclosed in Utility Model No. 1999-10402 filed by the applicant of the present invention, manufacturing cost can be greatly reduced. , Improve productivity.

As described above, the embroidery frame driving apparatus of the wide embroidery machine according to the present invention is a embroidery machine installed on a work table, a wide embroidery frame installed between the needle bar and the work table of the embroidery machine to support or hold a sewing object, and the wide width embroidery machine. X-axis conveying means for moving the embroidery frame in the X-axis direction of the worktable, and Y-axis conveying means for moving the wide embroidery frame in the Y-axis direction of the worktable. Even if the size is increased, the movement range of the X-axis feeder and the Y-axis feeder is wide, so that embroidery objects of various sizes can be embroidered.

Claims (6)

An embroidery machine mounted on a work table; A wide embroidery frame installed between the needle bar and the work table of the embroidery machine to support or hold the sewing object; X-axis feeding means for moving the wide embroidery frame in the X-axis direction of the work table; Here, the X-axis conveying means includes an X-axis guide member extending in the X-axis direction to support the support frame on both sides of the X-axis direction of the wide embroidery frame and to guide the movement of the wide embroidery frame. Embroidery frame driving apparatus for a wide embroidery machine comprising a Y-axis conveying means for moving the X-axis guide member in the Y-axis direction of the worktable. The embroidery frame driving apparatus of claim 1, wherein the wide embroidery frame is formed in a quadrangle by vertically connecting a support frame in the X-axis and Y-axis directions. According to claim 1, wherein the X-axis conveying means is a first guide frame extending to one side of the support frame in the X-axis direction of the wide embroidery frame, and the other side extending the support frame in the X-axis direction of the wide embroidery frame An X-axis guide member including a second guide frame disposed in parallel with the first guide frame; A driving motor installed at one side of each of the X-axis guide members; A timing belt installed in the longitudinal direction of the X-axis guide member and having one side end connected to the driving motor to perform a linear reciprocating motion by rotation of the driving motor; Embroidery frame driving apparatus of the wide embroidery machine, characterized in that the coupling member for connecting the timing belt and the support frame of the wide embroidery frame on one side of the timing belt. According to claim 3, Embroidery frame drive of the wide embroidery machine, characterized in that the first guide frame and the second guide frame is interlocked by installing a connecting frame in the Y-axis direction between the first guide frame and the second guide frame Device. According to claim 3, wherein the Y-axis transfer means is a drive motor installed on one side of the rear end of the work table, a rotary shaft extending on both sides of the drive motor to transfer the rotation of the drive motor, and both ends of the rotary shaft, respectively It is connected in the Y-axis direction is a timing belt for linear reciprocating movement by the rotation of the drive motor, a fixed bracket for supporting the first guide frame and fixed to one side of each timing belt, and is connected to one side of the fixed bracket An LM block, an LM guide disposed in parallel with a timing belt on the lower surface of the LM block to guide the movement of the LM block, a bearing guide rail extending in the Y-axis direction at the end of the LM guide, and the bearing guide rail. It is installed to be slidable on the upper surface of the light characterized in that it comprises a bearing fixing block for supporting the second guide frame Embroidery frame driving unit of the embroidery machine. [4] The timing belt according to claim 3, wherein the Y-axis feed means is provided with drive motors installed at both rear ends of the work table and connected to the respective drive motors in the Y-axis direction to perform linear reciprocating motion by rotation of the drive motor. And a fixing bracket fixed to one side of the timing belt and supporting the first guide frame, an LM block connected to one side of the fixing bracket, and installed in parallel with the timing belt on the bottom surface of the LM block. An LM guide for guiding movement, a bearing guide rail extending in the Y-axis direction at the end of the LM guide, and a bearing fixing block slidably mounted on the upper surface of the guide rail to support the second guide frame. Embroidery frame driving device of a wide embroidery machine, characterized in that configured to include.